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1770+ Boy Names Ending in O

  1. Fabio

    • Origin:

      Italian and Spanish variation of Fabian

    • Meaning:

      "bean grower"

    • Description:

      Sounds like exactly what it is: The name of a romance novel hero.
  2. Tonio

    • Origin:

      Diminutive of Antonio

    • Description:

      This short form of Antonio has long been used as an independent name, and would make a strong international choice.
  3. Gabo

    • Origin:

      German, meaning unknown

    • Description:

      A nickname-sounding surname associated with Russian sculptor and architect Naum Gabo. When model/actress Milla Jovovich gave her daughter the middle name Gabo, she explained that it was a combination of her parents' names--Galina and Bogie.
  4. Xaho

    • Origin:

      Basque

    • Meaning:

      "of Galicia"

    • Description:

      A literary nod to the great 19th century Basque writer Agosti Xaho, or Augustin Chaho in French, who wrote important Basque works such as The Legend of Aitor.
  5. Edmundo

    • Origin:

      Spanish and Portuguese variation of Edmund

    • Description:

      Livelier Latin form of Edmund.
  6. Baggio

    • Origin:

      Italian

    • Meaning:

      "toad"

    • Description:

      Not the most obvious animal for a nature name, but perhaps for fans of Mr Toad of Toad Hall in The Wind in the Willows.Some may find the pronunciation too close to "baggage" for comfort.
  7. Romello

    • Description:

      Romello is a masculine name with multiple potential origins, possibly representing a diminutive form of Romeo (Italian, meaning 'pilgrim to Rome') or a variation of Romulo (Spanish form of Romulus, the mythical founder of Rome). The name blends classical Roman references with a melodic, contemporary sound. Romello emerged in American naming practices during the late 20th century, gaining modest usage particularly in the 1990s and 2000s. The name carries a romantic, musical quality with its flowing syllables and soft ending. Its Latin roots give it historical depth while its modern sound appeals to contemporary tastes. Romello offers parents a distinctive yet accessible choice that balances uniqueness with familiar phonetic elements.
  8. Pio

    • Origin:

      Latin

    • Meaning:

      "pious"

    • Description:

      Though the variation Pius is too, well, popeish, Pio might work for an ordinary boy.
  9. Lucero

    • Origin:

      Spanish

    • Meaning:

      "light"

    • Description:

      Lucero is a relative or nickname of Luz, meaning light. This intriguing name is swimming just beneath the Top 1000 for girls in the US, but is used for boys too. It is especially popular in Latin America.
  10. Laslo

    • Description:

      Laslo is a masculine name that represents a variant spelling of László, a traditional Hungarian name. Derived from Vladislav, it combines Slavic elements meaning 'rule' and 'glory.' This simplified spelling makes the Hungarian classic more accessible in international contexts while maintaining its distinctive character. Laslo carries the prestigious heritage of the original name, which has been borne by numerous Hungarian kings, saints, and notable figures. The name offers a blend of Eastern European dignity with a manageable pronunciation for English speakers. Though not widely used outside Hungarian communities, Laslo provides an appealing option for parents seeking a name with historical depth and cultural significance that works well across language boundaries.
  11. Christiano

    • Description:

      Christiano is a masculine name of Italian, Portuguese, and Spanish origin, derived from the Latin 'Christianus,' meaning 'follower of Christ.' It's a variation of Christian that carries a romantic, Mediterranean flair with its '-o' ending. The name has gained international recognition partly due to famous bearers like Portuguese football star Cristiano Ronaldo, though different spelling variations exist. Popular in Catholic countries and communities, Christiano maintains a connection to religious heritage while offering a sophisticated European sound. The name has experienced modest but consistent usage, particularly in Italian and Portuguese-speaking regions, and among families with Mediterranean heritage seeking names that honor Christian traditions.
  12. Charlo

    • Origin:

      Short form of Charles, French

    • Meaning:

      "free man"

    • Description:

      The girls have Charli, so why not Charlo for boys?
  13. Marcelino

    • Origin:

      Spanish and Portuguese from of Marcellinus, Latin

    • Meaning:

      "belonging to Mars"

    • Description:

      An elegant and arty, Marcelino is a form of Marcellinus, connected to names such as Marcus, Marcel, and Marcella, all of which link back to the Roman God of war, Mars. It featured sporadically in the US Top 1000 during the 20th century, and is now given to around 100 boys each year.
  14. Adalfo

    • Description:

      Adalfo is a masculine name of Germanic origin, derived from the elements "adal" meaning noble or honorable, and "wolf" representing the animal known for strength and loyalty. It's a variation of Adolf or Adolfo, though it has developed its own distinct identity. The name has maintained popularity primarily in Spanish-speaking countries and regions with Hispanic influence. Adalfo carries connotations of nobility, leadership, and strength. Despite its positive etymological meaning, usage declined in many Western countries after World War II due to associations with Adolf Hitler. Today, Adalfo remains a distinctive choice that appeals to parents seeking a name with historical depth and a strong multicultural presence.

  15. Beppo

    • Description:

      Beppo is a charming male name of Italian origin, primarily used as a diminutive or nickname for Giuseppe (the Italian form of Joseph). The name carries a warm, affectionate quality typical of Italian diminutives. Historically, Beppo has been used in Italian families and communities, though it has never achieved widespread popularity outside Italy. In literature and popular culture, the name occasionally appears in Italian stories and folklore. The name has a musical, rhythmic quality that reflects its Italian heritage. While uncommon in English-speaking countries, Beppo maintains a certain nostalgic appeal and connection to Italian cultural traditions.

  16. Rufino

    • Description:

      Rufino is a masculine name of Latin origin, derived from "Rufus" meaning "red-haired" or "red-headed." It was traditionally given to boys with reddish hair or ruddy complexions. The name has historical significance in Catholic traditions as several saints bore this name, including Saint Rufino of Assisi. Rufino is particularly popular in Spanish-speaking countries, Italy, and Portugal. In the United States, it remains relatively uncommon, giving it a distinctive quality. The name carries connotations of uniqueness and classical heritage, often associated with strength and individuality. Its melodic sound with the ending "-ino" gives it a warm, approachable quality while maintaining its traditional roots.

  17. Guillo

    • Description:

      Guillo is a masculine name with roots in Spanish and Latin American cultures. It likely originated as a diminutive or nickname form of Guillermo, the Spanish equivalent of William, which has Germanic origins meaning 'resolute protector' or 'strong-willed warrior.' The shortening of names is common in Spanish-speaking cultures, where affectionate diminutives are frequently used. Guillo has a distinctive, rhythmic sound with its two syllables and strong ending. While not extremely common as a formal given name, it maintains usage primarily in Spanish-speaking countries and communities. The name has a friendly, approachable quality while still connecting to the more formal Guillermo's rich history and meaning.
  18. Amiliano

    • Description:

      Amiliano is a masculine name with Latin or possibly Spanish and Italian influences, potentially a variation or elaboration of names like Emiliano or Aemilianus. Its linguistic roots connect to the Roman family name Aemilius, suggesting 'rival' or 'emulating.' With its rhythmic five syllables and melodic flow, Amiliano carries a romantic, aristocratic quality reminiscent of Renaissance Europe. This uncommon name offers the familiarity of classic names like Emilio while providing distinctiveness through its expanded form. Amiliano would appeal to parents seeking a name with historical depth, international appeal, and a dramatic, expressive quality.
  19. Calexto

    • Description:

      Calexto is a masculine name that appears to be a variant of Calixto or Callisto. These names derive from Greek origins, with Kallisto meaning 'most beautiful.' In Greek mythology, Callisto was a nymph who was transformed into the constellation Ursa Major. The name has been used primarily in Spanish and Portuguese-speaking cultures, though this particular spelling is uncommon. Calexto has an exotic, melodic quality with its rhythmic syllables and distinctive 'x' sound. While rare in English-speaking countries, the name carries a sophisticated international flair. Its connection to classical mythology gives it depth and historical resonance. Calexto might appeal to parents seeking a masculine name that combines cultural heritage with a unique, memorable quality.
  20. Quinto

    • Origin:

      Spanish variation of Quintin

    • Meaning:

      "fifth"

    • Description:

      Quint or Quinton played to a Latin rhythm.