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Cool Names with a Strong O

  1. Aldo

    • Origin:

      Italian from German

    • Meaning:

      "old and wise"
  2. Alejandro

    • Origin:

      Spanish variation of Alexander

    • Meaning:

      "defending men"
  3. Alessandro

    • Origin:

      Italian variation of Alexander

    • Meaning:

      "defending men"
  4. Alonzo

    • Origin:

      Italian diminutive of Alphonso

    • Meaning:

      "noble, ready"
  5. Amedeo

    • Origin:

      Italian form of Amadeus

    • Meaning:

      "lover of God"
  6. Antonio

    • Origin:

      Spanish and Italian variation of Anthony

    • Meaning:

      "from Antium"
  7. Apollo

    • Origin:

      Greek mythology name

    • Meaning:

      "destroyer"
  8. Arlo

    • Origin:

      Irish or English

    • Meaning:

      "between two hills"
  9. Armando

    • Origin:

      Spanish, Italian and Portuguese form of Herman, German

    • Meaning:

      "soldier"
  10. Arno

    • Origin:

      German

    • Meaning:

      "eagle"
  11. Augusto

    • Origin:

      Spanish, Portuguese, and Italian variation of Augustus, Latin

    • Meaning:

      "majestic, venerable"
  12. Aurelio

    • Origin:

      Italian; Spanish, variation of Aurelius

    • Meaning:

      "the golden one"
  13. Bardo

    • Origin:

      Short form of Bardolph or Aboriginal

    • Meaning:

      "water"
  14. Benicio

    • Origin:

      Spanish

    • Meaning:

      "blessed"
  15. Benno

    • Origin:

      German

    • Meaning:

      "bear"
  16. Bo

    • Origin:

      Norse nickname

    • Meaning:

      "to live"
  17. Bruno

    • Origin:

      Germanic

    • Meaning:

      "brown"
  18. Caio

    • Origin:

      Variation of Latin Caius

    • Meaning:

      "rejoice"
  19. Cairo

    • Origin:

      Egyptian place-name, Arabic

    • Meaning:

      "the conqueror, the victorious"
  20. Calico

    • Origin:

      English word name

    • Meaning:

      "cotton cloth imported from India; a blotched or spotted animal"
  21. Calixto

    • Origin:

      Greek

    • Meaning:

      "beautiful"
  22. Calypso

    • Origin:

      Greek

    • Meaning:

      "she who hides"
  23. Cameo

    • Origin:

      Word name
  24. Carlo

    • Origin:

      Italian variation of Charles
  25. Cato

    • Origin:

      Latin

    • Meaning:

      "all-knowing"
  26. Cayo

    • Origin:

      Latin, from the Roman family name Caius

    • Meaning:

      "rejoice"
  27. Cicero

    • Origin:

      Latin

    • Meaning:

      "chickpea"
  28. Claudio

    • Origin:

      Italian, Spanish

    • Meaning:

      "lame; enclosure"
  29. Cleo

    • Origin:

      Greek

    • Meaning:

      "glory"
  30. Consuelo

    • Origin:

      Spanish from Latin

    • Meaning:

      "she who brings consolation"
  31. Cosmo

    • Origin:

      Italian, English, Greek

    • Meaning:

      "order, beauty, universe"
  32. Danilo

    • Origin:

      Ukrainian; Serbian; Italian; Brazilian Portuguese, variation of Daniel

    • Meaning:

      "God is my judge"
  33. Dario

    • Origin:

      Italian variation of Darius

    • Meaning:

      "possessing goodness"
  34. Diego

    • Origin:

      Spanish variation of James

    • Meaning:

      "supplanter"
  35. Django

    • Origin:

      Romani

    • Meaning:

      "I awake"
  36. Durango

    • Origin:

      Spanish place-name
  37. Echo

    • Origin:

      Greek mythology name

    • Meaning:

      "echo or sound"
  38. Elio

    • Origin:

      Italian, Spanish

    • Meaning:

      "sun"
  39. Elmo

    • Origin:

      Italian from German

    • Meaning:

      "protector"
  40. Emilio

    • Origin:

      Spanish and Italian variation of Emil

    • Meaning:

      "rival"
  41. Enzo

    • Origin:

      Italian variation of Henry, German

    • Meaning:

      "estate ruler"
  42. Fabio

    • Origin:

      Italian and Spanish variation of Fabian

    • Meaning:

      "bean grower"
  43. Fernando

    • Origin:

      Spanish and Portuguese variation of Ferdinand

    • Meaning:

      "bold voyager"
  44. Frisco

    • Origin:

      Diminutive of Francisco

    • Meaning:

      "free man"
  45. Giacomo

    • Origin:

      Italian variation of James

    • Meaning:

      "supplanter"
  46. Giorgio

    • Origin:

      Italian variation of George

    • Meaning:

      "farmer"
  47. Horatio

    • Origin:

      English variation of Latin Horatius

    • Meaning:

      "hour, time"
  48. Hugo

    • Origin:

      Latinized form of Hugh

    • Meaning:

      "mind, intellect"
  49. Indigo

    • Origin:

      Greek

    • Meaning:

      "Indian dye"
  50. Indio

    • Origin:

      Spanish

    • Meaning:

      "Indian"
  51. Inigo

    • Origin:

      Basque, medieval Spanish variation of Ignatius

    • Meaning:

      "fiery"
  52. Italo

    • Origin:

      Italian

    • Meaning:

      "from Italy"
  53. Ivo

    • Origin:

      German

    • Meaning:

      "yew wood, archer"
  54. Jericho

    • Origin:

      Biblical place-name
  55. Jethro

    • Origin:

      Hebrew

    • Meaning:

      "excellence"
  56. Laredo

    • Origin:

      Place-name
  57. Laszlo

    • Origin:

      Hungarian

    • Meaning:

      "glorious ruler"
  58. Leo

    • Origin:

      Latin

    • Meaning:

      "lion"
  59. Leonardo

    • Origin:

      Italian and Spanish variation of Leonard, German

    • Meaning:

      "brave lion"
  60. Lido

    • Origin:

      Italian place-name
  61. Lorenzo

    • Origin:

      Italian; Spanish, variation of Laurence

    • Meaning:

      "from Laurentium"
  62. Luciano

    • Origin:

      Italian, Spanish, and Portuguese variation of Lucian

    • Meaning:

      "light"
  63. Marco

    • Origin:

      Italian and Spanish form of Mark

    • Meaning:

      "warlike"
  64. Marino

    • Origin:

      Latin

    • Meaning:

      "of the sea"
  65. Massimo

    • Origin:

      Italian variation of Maximus

    • Meaning:

      "the greatest"
  66. Mateo

    • Origin:

      Spanish

    • Meaning:

      "gift of God"
  67. Milo

    • Origin:

      Latin and Old German

    • Meaning:

      "soldier or merciful"
  68. Montego

    • Origin:

      Place-name
  69. Morocco

    • Origin:

      Place-name
  70. Navarro

    • Origin:

      Spanish

    • Meaning:

      "from Navarre"
  71. Nemo

    • Origin:

      Greek

    • Meaning:

      "nobody"
  72. Neo

    • Origin:

      Latin or Tswana

    • Meaning:

      "new or gift"
  73. Nico

    • Origin:

      Italian diminutive of Nicholas, Greek

    • Meaning:

      "people of victory"
  74. Nicolo

    • Origin:

      Italian form of Nicholas

    • Meaning:

      "people of victory"
  75. Nilo

    • Origin:

      Spanish diminutive of Daniel

    • Meaning:

      "God is my judge"
  76. Oak

    • Origin:

      English tree name

    • Meaning:

      "tree from the genus Quercus"
  77. Oakley

    • Origin:

      English

    • Meaning:

      "oak wood or clearing"
  78. Obadiah

    • Origin:

      Hebrew

    • Meaning:

      "servant of God"
  79. Obama

    • Origin:

      Luo; Japanese

    • Meaning:

      "bending or leaning; little beach"
  80. Oberon

    • Origin:

      Variation of Auberon

    • Meaning:

      "elf king; noble bear"
  81. O'brian

    • Origin:

      Irish

    • Meaning:

      "descendant of Brian"
  82. O'callahan

    • Origin:

      Irish

    • Meaning:

      "son of the church lover"
  83. O'casey

    • Origin:

      Irish surname
  84. Ocean

    • Origin:

      English, nature name

    • Meaning:

      "ocean"
  85. Oceana

    • Origin:

      Greek

    • Meaning:

      "ocean"
  86. O'connor

    • Origin:

      Irish

    • Meaning:

      "son of the hound lover"
  87. Octavia

    • Origin:

      Latin

    • Meaning:

      "eighth"
  88. Octavio

    • Origin:

      Spanish variation of Octavius

    • Meaning:

      "eighth"
  89. Odelia

    • Origin:

      Hebrew, German

    • Meaning:

      "I will praise the Lord or wealth"
  90. Odessa

    • Origin:

      Ukrainian place-name
  91. Odette

    • Origin:

      French, from German

    • Meaning:

      "wealthy"
  92. Odile

    • Origin:

      French variation of German Otthild

    • Meaning:

      "prospers in battle"
  93. Odin

    • Origin:

      Variation of Óðinn, Old Norse

    • Meaning:

      "god of frenzy; poetic fury"
  94. Odion

    • Origin:

      Esan

    • Meaning:

      "first born of twins"
  95. O'donnell

    • Origin:

      irish

    • Meaning:

      "son of the brave one"
  96. O'donovan

    • Origin:

      Irish, 'son of the dark one"
  97. O'fallon

    • Origin:

      Irish

    • Meaning:

      "son of the leader"
  98. O'grady

    • Origin:

      Irish

    • Meaning:

      "son of the noble one"
  99. O'hara

    • Origin:

      Irish

    • Meaning:

      "son of Eaghra"
  100. O'keefe

    • Origin:

      Irish

    • Meaning:

      "son of the kind one"
  101. Olaf

    • Origin:

      Norse

    • Meaning:

      "ancestor's relic"
  102. Olga

    • Origin:

      Slavic variation of Helga, Norse

    • Meaning:

      "holy"
  103. Olive

    • Origin:

      English, from Latin, nature name

    • Meaning:

      "olive tree"
  104. Oliver

    • Origin:

      Latin

    • Meaning:

      "olive tree or elf army"
  105. Olivia

    • Origin:

      Latin

    • Meaning:

      "olive tree"
  106. Olivier

    • Origin:

      French

    • Meaning:

      "olive tree"
  107. Olwen

    • Origin:

      Welsh

    • Meaning:

      "white footprint"
  108. Olympia

    • Origin:

      Greek

    • Meaning:

      "from Mount Olympus"
  109. Omar

    • Origin:

      Arabic, Hebrew

    • Meaning:

      "flourishing, thriving; eloquent"
  110. O'neal

    • Origin:

      Irish

    • Meaning:

      "from the chief's line"
  111. Oona

    • Origin:

      Irish, variation of Una

    • Meaning:

      "lamb"
  112. Ophelia

    • Origin:

      Greek

    • Meaning:

      "help"
  113. Orchid

    • Origin:

      From Greek

    • Meaning:

      "orchid flower"
  114. O'reilly

    • Origin:

      Irish

    • Meaning:

      "son of the courageous one"
  115. Oren

    • Origin:

      Hebrew

    • Meaning:

      "laurel or pine tree"
  116. Oriana

    • Origin:

      Latin

    • Meaning:

      "dawn"
  117. Orion

    • Origin:

      Greek

    • Meaning:

      "boundary, limit"
  118. Orla

    • Origin:

      Irish

    • Meaning:

      "golden princess"
  119. Orlando

    • Origin:

      Italian variation of Roland

    • Meaning:

      "famous throughout the land"
  120. Orsino

    • Origin:

      Italian variation of Orson

    • Meaning:

      "bearlike"
  121. Orson

    • Origin:

      Latin and English

    • Meaning:

      "bear cub"
  122. Oscar

    • Origin:

      English or Irish

    • Meaning:

      "God spear, or deer-lover or champion warrior"
  123. O'shea

    • Origin:

      Irish

    • Meaning:

      "hawklike, stately"
  124. O'sullivan

    • Origin:

      Irish

    • Meaning:

      "son of the black-eyed one"
  125. Otis

    • Origin:

      Variation of Otto, German

    • Meaning:

      "wealthy"
  126. Ottilie

    • Origin:

      German, French

    • Meaning:

      "prosperous in battle"
  127. Otto

    • Origin:

      German

    • Meaning:

      "wealthy"
  128. Owen

    • Origin:

      Welsh

    • Meaning:

      "young warrior; well-born"
  129. Oz

    • Origin:

      Hebrew, English, Irish

    • Meaning:

      "strength, powerful, courageous; god's warrior; deer friend"
  130. Ozias

    • Origin:

      Greek, Hebrew

    • Meaning:

      "my strength is God"
  131. Ozzie

    • Origin:

      Diminutive of Osmond, Oswald, or Oscar

    • Meaning:

      "divine; deer"
  132. Pablo

    • Origin:

      Spanish variation of Paul

    • Meaning:

      "small"
  133. Paolo

    • Origin:

      Italian, variation of Paul

    • Meaning:

      "small"
  134. Pedro

    • Origin:

      Spanish; Portuguese variation of Peter, Greek

    • Meaning:

      "rock, stone"
  135. Philo

    • Origin:

      Greek

    • Meaning:

      "loving"
  136. Piero

    • Origin:

      Italian, variation of Peter

    • Meaning:

      "rock"
  137. Placido

    • Origin:

      Italian and Spanish

    • Meaning:

      "serene"
  138. Plato

    • Origin:

      Greek

    • Meaning:

      "broad-shouldered"
  139. Primo

    • Origin:

      Italian

    • Meaning:

      "first"
  140. Reno

    • Origin:

      Place-name
  141. Reo
    • Rio

      • Origin:

        Spanish, Portuguese, Japanese

      • Meaning:

        "river or place of the cherry blossoms"
    • Rocco

      • Origin:

        Italian from German

      • Meaning:

        "rest"
    • Rodrigo

      • Origin:

        Spanish and Portuguese variation of Roderick

      • Meaning:

        "famous ruler"
    • Rollo

      • Origin:

        Latin form of Rolf

      • Meaning:

        "wolf"
    • Scorpio

      • Origin:

        Latin

      • Meaning:

        "scorpion"
    • Sergio

      • Origin:

        Italian and Spanish variation of Sergius, Roman family name

      • Meaning:

        "servant"
    • Stefano

      • Origin:

        Italian variation of Stephen

      • Meaning:

        "garland, crown"
    • Taddeo

      • Origin:

        Italian variation of Thaddeus

      • Meaning:

        "gift of God"
    • Theo

      • Origin:

        Diminutive of Theodore

      • Meaning:

        "gift of God"
    • Viggo

      • Origin:

        Scandinavian

      • Meaning:

        "war"
    • Vittorio

      • Origin:

        Italian variation of Victor

      • Meaning:

        "conqueror"
    • Waldo

      • Origin:

        German, pet form of names such as Waldemar

      • Meaning:

        "to rule"
    • Zeno

      • Origin:

        Anglicized form of Greek Zenon, related to Zeus, king of the gods