Best Boy Names Ending in O

  1. Dario
    • Origin:

      Italian variation of Darius
    • Meaning:

      "possessing goodness"
    • Description:

      More creative and artsy than Mario. Dario is starting to edge up the US popularity list after languishing near the bottom of the Top 1000 over the last four decades. Is that inspired by Dario's popularity in Italy, Spain, Germany, and Switzerland?
  2. Dario
    • Origin:

      Italian variation of Darius
    • Meaning:

      "possessing goodness"
    • Description:

      More creative and artsy than Mario. Dario is starting to edge up the US popularity list after languishing near the bottom of the Top 1000 over the last four decades. Is that inspired by Dario's popularity in Italy, Spain, Germany, and Switzerland?
  3. Leandro
    • Origin:

      Spanish, Portuguese, and Italian variation of Leander
    • Meaning:

      "lion-man"
    • Description:

      Leandro is a variation of the Ancient Greek name Leander, created by combining the Latin words leo and Andro together, to get a meaning that suggests strength, power, and bravery. The Hero and Leander myth lends the name a romantic, poetical feel, while it's association to Bishop Leander of Seville gives it a more saintly quality.
  4. Alonzo
    • Origin:

      Italian diminutive of Alphonso
    • Meaning:

      "noble, ready"
    • Description:

      Alonzo is dashing and debonair, with a large measure of Latin flair.
  5. Pablo
    • Origin:

      Spanish variation of Paul
    • Meaning:

      "small"
    • Description:

      Pablo, the commonly used Spanish version of Paul, has the added bonus of some fantastic artistic bearers: painter Picasso, cellist Casals, and poet Neruda. Pablo has been consistently in the US charts since records began, and has been within the Top 500 since the mid 60s. However, Pablo has never cracked the Top 200, making it familiar but not overused or tired.
  6. Alessandro
    • Origin:

      Italian variation of Alexander
    • Meaning:

      "defending men"
    • Description:

      For anyone seeking a more unusual version of Alexander, this is a real winner.
  7. Valentino
    • Origin:

      Latin
    • Meaning:

      "strength, health"
    • Description:

      A dashing, dramatic and romantic Italian surname, associated with early movie heartthrob Rudolph, and later with Italian fashion designer Valentino (Garavani). Also the name of an early Roman saint, whose feast day marks the beginning of spring. Ricky Martin chose it for one of his twin boys.
  8. Jago
    • Origin:

      Spanish and Cornish variation of Jacob
    • Meaning:

      "supplanter"
    • Description:

      Jago is a dashing alternative to overused favorite Jacob.
  9. Kylo
    • Origin:

      Variation of Kyle, Scottish
    • Meaning:

      "narrow spit of land"
    • Description:

      The original Kyle has sparked many variations, including Kylie, Kyler, and Kylo, after Kylo Ren, the villain played by Adam Driver in the seventh Star Wars movie, released in December 2015.
  10. Domenico
    • Origin:

      Spanish, Italian variation of Dominic, Latin
    • Meaning:

      "belonging to the Lord"
    • Description:

      Romantic and artistic Domenico is ripe for the picking as a relatively rare name that fits in with current favorites such as Leonardo and Emiliano.
  11. Arturo
    • Origin:

      Spanish, Italian and Portuguese form of Arthur, Celtic
    • Meaning:

      "bear"
    • Description:

      Italian, Portuguese and Spanish variation of Arthur that makes the original feel more romantic and dashing.
  12. Cairo
    • Origin:

      Egyptian place-name, Arabic
    • Meaning:

      "the conqueror, the victorious"
    • Description:

      Cairo is an exciting place name possibility with upbeat o ending and an on-trend first syllable. Debuting in the US Top 1000 in 2015, it has been climbing ever since, and, as of 2023, it is given to more than 1000 babies each year.
  13. Sholto
    • Origin:

      Scottish from the Gaelic
    • Meaning:

      "sower"
    • Description:

      Sholto is a traditional Scottish first name, especially within the Douglas clan. It's an Anglicized form of Sìoltach, meaning "sower".
  14. Mario
    • Origin:

      Italian variation of Marius, form of mythological name Mars
    • Meaning:

      "warlike"
    • Description:

      Many may associate Mario with the popular platform game - unsurprising when it's the 5th best-selling video game worldwide, and was voted the 2nd best game ever by IGN in 2024. The titular plumber was apparently named after American businessman, Mario Segale, who rented a warehouse to Nintendo, and this in itself reflects that Mario is much more established than just a name for a video game character.
  15. Monroe
    • Origin:

      Scottish
    • Meaning:

      "mouth of the Roe river"
    • Description:

      Monroe is a presidential surname which feels fresher than Jackson, Lincoln and Taylor. Marilyn Monroe is a famous female namesake, but her smart Scottish surname feels equally usable for either sex. Plus, we think old man nickname Moe would sound both cool and adorable on a baby boy today!
  16. Luciano
    • Origin:

      Italian variation of Lucian
    • Meaning:

      "light"
    • Description:

      A vibrant, operatic Latin choice.
  17. 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.
  18. Tycho
    • Origin:

      Greek
    • Meaning:

      "hitting the mark"
    • Description:

      Tycho and Tychon are Greek names with modern variations such as the Danish Tyge, the Swedish Tyko, and the Dutch Tygo that are popular throughout modern Europe. Tycho was the name of a Greek saint and a Danish astronomer.
  19. Orlo
    • Origin:

      Short form of Orlando or Roland, German
    • Meaning:

      "famous throughout the land"
    • Description:

      Orlo is a name nobody ever heard of until the surprise popularity of the unrelated but similar-sounding Arlo. If Arlo can be a hit, why not Orlo? Why not indeed.
  20. Faro
    • Origin:

      Italian word name
    • Meaning:

      "lighthouse"
    • Description:

      Names ending with O are popular, but this one is almost unheard-of. Faro has the advantages of being easy to spell and pronounce (unless it's confused with Pharaoh), and a bright meaning. Ultimately it comes from Pharos, the island where the great Lighthouse of Alexandria was built, and there's a district and city in Portugal called Faro. Be aware: it's also the name of a gambling card game, highly popular in the nineteenth century before poker took over.