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Best Boy Names Ending in O

  1. Placido

    • Origin:

      Italian and Spanish

    • Meaning:

      "serene"

    • Description:

      Placido was commonly used by early Christians to convey their serenity in the faith, and it was borne by several minor saints.
  2. Ivano

    • Origin:

      Italian variation of Ivan

    • Meaning:

      "God is gracious"

    • Description:

      Ivano is a name that's a variation of a variation, with Ivan a common Russian and Eastern European version of John. Ivano puts an Italian spin on the name.
  3. Timeo

    • Origin:

      Italian from Greek

    • Meaning:

      "honor"

    • Description:

      Timeo is a Top 100 name in France but is virtually unknown in the English-speaking world. Appearing briefly in the New Testament and related to Timon, a Shakespearean name, Timeo is a valid possibility for parents looking for an unusual name with cross-cultural cred.
  4. Horacio

    • Description:

      Horacio is the Spanish and Portuguese form of Horatius, a masculine name of Latin origin derived from the Roman clan name Horatius, whose meaning remains uncertain. Made famous by the Roman poet Horace (Quintus Horatius Flaccus), the name carries literary and intellectual associations. Horacio has been consistently popular in Spanish-speaking countries and Brazil, appreciated for its classical roots and distinguished sound. The name conveys a sense of cultural sophistication and historical depth. Notable bearers include Argentine writer Horacio Quiroga and numerous politicians and artists throughout Latin America, helping maintain the name's prestigious reputation.
  5. Natalino

    • Origin:

      Short form of Natale, Italian variation of Natalia

    • Meaning:

      "born on Christmas Day"

    • Description:

      Natalino is the jaunty Italian male nickname for the gender-neutral Natale. And it has that fashionable o ending. Natalino might work as a nickname for Nathaniel too.
  6. Sato

    • Origin:

      Japanese surname

    • Meaning:

      "village, wise, wisteria"

    • Description:

      Sato is a common Japanese surname traditionally used by samurai and village leaders. Like many Asian names, its meaning changes according to how it's written.
  7. 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.

  8. Geraud

    • Origin:

      French form of Gerard, German

    • Meaning:

      "spear strength"

    • Description:

      Geraud, as with many French variations of familiar names, makes the somewhat old-fashioned Gerard sound fresh and dashing. It's pronounced as if it ended with o, another trendy factor, though many English speakers may not get that.
  9. Pacifico

    • Description:

      Pacifico is a masculine name of Latin and Italian origin meaning 'peaceful' or 'bringing peace.' Derived from the Latin 'pacificus,' it shares roots with words like 'pacific' and 'pacify.' This name has been used historically in Italy and Spanish-speaking countries, often connected to religious devotion, as 'Pacific' appears in Catholic saint names. While never particularly common in English-speaking countries, Pacifico carries positive connotations of tranquility and harmony. The name might appeal to parents with Italian or Hispanic heritage seeking a traditional yet distinctive name, or those drawn to its peaceful meaning and melodious sound with its flowing syllables.

  10. Endo

    • Origin:

      Estonian, from a place name

    • Description:

      This cute Estonian name is typically a short form of Endel, although it has a history of being used as a stand-alone. It originates in the feminine name Endla, originally the name of an Estonian lake. Easy to spell and pronounce, with a fun sound and the cool -o ending, Endo is a name that could cross cultures easily.
  11. Cesario

    • Description:

      Cesario is a masculine name with Italian and Spanish origins, derived from the Latin name 'Caesar,' which means 'long-haired' or 'head of hair.' Historically, the name carries prestigious connotations due to its association with the Roman Julius Caesar and the subsequent imperial title. Cesario has remained relatively uncommon in English-speaking countries, maintaining its distinctive character as a heritage name in Italian and Hispanic communities. The name appears in literature, most notably in Shakespeare's 'Twelfth Night,' where Viola disguises herself as a character named Cesario. With its melodic quality and rich historical connections, Cesario offers a distinctive option for parents seeking a name with classical roots and a romantic Mediterranean flair.
  12. Sidonio

    • Origin:

      Portuguese, Spanish, and Italian form of Sidonius, Latin

    • Meaning:

      "man from Sidon"

    • Description:

      Sidonio is a masculine name with Portuguese, Spanish and Italian roots, derived from the Latin name Sidonius. Historically, it refers to someone from the ancient Phoenician city of Sidon (now in Lebanon).
  13. Calisto

    • Description:

      Calisto is a masculine name derived from Greek mythology, where Callisto was a nymph who was transformed into the constellation Ursa Major. The masculine form shifts the mythological association while maintaining the celestial connection. The name comes from Greek 'kallistos' meaning 'most beautiful.' While the feminine form Callista is more common in English-speaking countries, Calisto offers a distinctive alternative for boys. The name carries an artistic, sophisticated quality with its classical roots and melodic sound. Popular in some Latin cultures, Calisto provides a unique option that balances exotic appeal with historical depth. Its connection to the stars gives it an aspirational, expansive quality that many parents find appealing.
  14. Tancredo

    • Origin:

      Italian from German

    • Meaning:

      "thoughtful counsel"

    • Description:

      A name rich in historic, poetic, and operatic allusions, and an interesting Italian alternative to the more ordinary Giovannis and Giorgios. A current prominent surname bearer is Republican Congressman Tom Tancredo.
  15. Quinto

    • Origin:

      Spanish variation of Quintin

    • Meaning:

      "fifth"

    • Description:

      Quint or Quinton played to a Latin rhythm.
  16. Arastoo

    • Origin:

      Persian form of Aristotle and Aristoteles, Greek

    • Meaning:

      "best purpose"

    • Description:

      A rare choice of Persian and Greek origin, this international variation of the scholarly Aristotle appears on the character Arastoo Vaziri in American forensics drama, Bones.
  17. Mikio

    • Origin:

      Japanese

    • Meaning:

      "tree trunk man, tree trunk husband"

    • Description:

      A cute and lively Japanese name, reminiscent of names like Micah and Nico. Mikio can have many meanings depending on the kanji used to write it, but the most common ones give it the nature meaning "tree trunk": perfect for wishing strength, sturdiness and stability on your baby boy. Famous namesakes include Naruto manga artist Mikio Ikemoto, guitarrist Mikio Fujioka, and mathematician Mikio Sato.
  18. Slavko

    • Origin:

      Serbian, Croatian, Slovene, Bulgarian

    • Meaning:

      "glory"

    • Description:

      A short and cool South Slavic boy name, Slavko originated as a diminutive of longer names containing "slav" – Borislav, Radoslav, Tomislav, etc. but it is commonly used on its own. It comes from the Slavic "slava", meaning "glory". Famous bearers of this name are basketball player Slavko Vraneš, football referee Slavko Vinčić and Croatian war hero Slavko Šlander.
  19. Gojko

    • Origin:

      Slovene, Serbian, Croatian

    • Meaning:

      "nurture, grow, heal"

    • Description:

      A short and snappy South Slavic name with a powerful, uplifting meaning.