Best Boy Names Ending in O

  1. Diego
    • Origin:

      Spanish variation of James
    • Meaning:

      "supplanter"
    • Description:

      The energetic Diego is rising rapidly along with a lot of other authentically Spanish baby names that work perfectly well with surnames of any origin.
  2. Leonardo
    • Origin:

      Italian and Spanish variation of Leonard, German
    • Meaning:

      "brave lion"
    • Description:

      For centuries this name was associated primarily with the towering figure of Italian Renaissance painter-scientist-inventor Leonardo da Vinci, and was scarcely used outside the Latin culture.
  3. Lorenzo
    • Origin:

      Italian; Spanish, variation of Laurence
    • Meaning:

      "from Laurentium"
    • Description:

      Latinizing Lawrence gives it a whole new lease on life. Like Leonardo, Lorenzo has been integrated into the American stockpot of names, partly via actor Lorenzo Lamas. Other associations are with Lorenzo de' Medici, the Florentine Renaissance merchant prince and art patron, Renaissance artists Ghiberti and Lotto, and the upstanding young man who married Shylock's daughter Jessica in Shakespeare's The Merchant of Venice.
  4. Viggo
    • Origin:

      Scandinavian
    • Meaning:

      "war"
    • Description:

      Though to most Americans Viggo is a one-person name attached to intense actor Mortensen, it is actually an old Norse name dating back to the Vikings, and is currently the 32nd most popular appellation in Sweden. Viggo Mortensen is a Jr., sharing his name with his Danish father.
  5. Teo
    • Origin:

      Diminutive of Teodoro or Mateo, Spanish
    • Meaning:

      "gift of God"
    • Description:

      An international take on Theo that would be easily wearable for a child in the US or any European culture, Teo is a simple but versatile choice. It's popularly used across a number of countries, including Georgia, Poland, Slovenia, Slovakia, Croatia, Czechia, Italy, England, and Bosnia and Herzegovina too.
  6. Indigo
    • Origin:

      Greek
    • Meaning:

      "Indian dye"
    • Description:

      Indigo is one of the most appealing and evocative of the new generation of color names. Color names have joined flower and jewel names -- in a big way -- and Indigo, a deep blue-purple dye from plants native to India, is particularly striking for both girls and boys. Although most people don't think of it like this, Indigo might also be considered among the most stylish Greek baby names in use today. Some cultural references: The Indigo Girls are a folk duo, 'Mood Indigo' is a classic Duke Ellington jazz composition, and there is a 1970's New Age theory that Indigo children possess special, sometimes supernatural abilities. Indigo is the name of a character in the Ntozake Shange novel Sassafrass, Cypress & Indigo, and was used for his daughter by Lou Diamond Phillips.
  7. Shiloh
    • Origin:

      Hebrew
    • Meaning:

      "tranquil"
    • Description:

      Haunting biblical and Civil War place-name; now unisex—especially after the mega-high-profile Brangelina couple picked it for their daughter. It debuted in the Top 1000 for boys in 2015.
  8. Aurelio
    • Origin:

      Italian; Spanish, variation of Aurelius
    • Meaning:

      "the golden one"
    • Description:

      Aurelio is an energetic Italian name rarely heard in the US, with an attractive aura. As the female version Aurelia gains greater notice, we expect to hear more from Aurelio too. In fact, Aurelio has recently entered the Top 1000 in the US in 2022. Next to follow might be latinate versions Aurelius and Aurelian.
  9. Bo
    • Origin:

      Norse nickname
    • Meaning:

      "to live"
    • Description:

      A popular name in Denmark, in this country Bo has some cowboy swagger and a lot of substance in its minimal two letters. In Mandarin Chinese, Bo means "wave".
  10. Fernando
    • Origin:

      Spanish and Portuguese variation of Ferdinand
    • Meaning:

      "bold voyager"
    • Description:

      Can you hear the drums Fernando? Although 58% of Nameberries prefer Ferdinand to Fernando, the Iberian variant has a softer, more romantic feel that makes it a better fit with all those Javiers, Lorenzos and Matteos.
  11. Emilio
    • Origin:

      Spanish and Italian variation of Emil
    • Meaning:

      "rival"
    • Description:

      Dashing and suave, with a hint of poetry and gentleness, Emilio is an appealing and international choice. A solid favorite in Italy, it is also on the rise in the US, France, Austria, and the UK.
  12. Ludo
    • Origin:

      German
    • Meaning:

      "famous"
    • Description:

      This cool and quirky short form of the suave Ludovic could be an even-more-adventurous spin on Nico and Hugo.
  13. Kenzo
    • Origin:

      Japanese
    • Meaning:

      "strong and healthy"
    • Description:

      Kenzo is a common Japanese name with several creative bearers: the single-named fashion designer, prizewinning architect Kenzo Takada, and painter Kenzo Okada, which makes it internationally recognizable.
  14. Romeo
    • Origin:

      Italian
    • Meaning:

      "pilgrim to Rome, Roman"
    • Description:

      It wasn't so long ago that Romeo was considered as outre for an American baby as Casanova or Cupid. But that really changed when David and Victoria Beckham chose it for their second son in 2002, a path followed by Jon Bon Jovi.
  15. Orlando
    • Origin:

      Italian variation of Roland
    • Meaning:

      "famous throughout the land"
    • Description:

      Orlando, the ornate Italianate twist on the dated Roland, with a literary heritage stretching back to Shakespeare and before, has appealing book-ended o's, and is open to combination with almost any last name, a la British actor, Orlando Bloom.
  16. Draco
    • Origin:

      Greek from Latin
    • Meaning:

      "dragon"
    • Description:

      For as long as we all shall live, Harry Potter's sneering nemesis.
  17. Woodrow
    • Origin:

      English
    • Meaning:

      "row of houses by a wood"
    • Description:

      Aside from President Wilson (born Thomas), most Woodrows, including Herman, Guthrie, and Harrelson, have chosen to be known as Woody, which says it all.
  18. Sergio
    • Origin:

      Italian and Spanish variation of Sergius, Roman family name
    • Meaning:

      "servant"
    • Description:

      Widely heard in both Italian and Spanish households, Sergio and his many international brothers are rooted in Sergius, one of the original Roman family names. The meaning is unknown, but possibly is related to servant or protector.
  19. Marco
    • Origin:

      Italian and Spanish form of Mark
    • Meaning:

      "warlike"
    • Description:

      Simple and universal, Marco is a Latin classic that would make a much livelier namesake for an Uncle Mark. It was used for her son by actress Jill Hennessy and goes well with surnames of any nationality.
  20. Jethro
    • Origin:

      Hebrew
    • Meaning:

      "excellence"
    • Description:

      Jethro, though the biblical father-in-law of Moses, has suffered for a long time from a Beverly Hillbilly image, but some really adventurous parents might consider updating and urbanizing it and transitioning it into the hip o-ending category.

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