Best Boy Names Ending in O

  1. Echo
    • Origin:

      Greek mythology name
    • Meaning:

      "echo or sound"
    • Description:

      Although this is traditionally seen as a female name, via the classical mythological nymph who pined away for Narcissus until all that remained of her was a disembodied voice — it can also be used for boys. Remember that old song, 'Little sir echo, how do you do?'
  2. Malo
    • Origin:

      Breton
    • Meaning:

      "shining hostage"
    • Description:

      Malo, the name of an important sixth century Breton saint who founded St. Malo, the charming port town in Brittany -- is considered quite au courant in France right now, ranking firmly in the Top 100.
  3. Benno
    • Origin:

      German
    • Meaning:

      "bear"
    • Description:

      Benno is a cool name in its own right -- there was a tenth century Saint Benno -- though it is also used as a lively nickname for Benjamin. Saint Benno of Meissen is the patron saint of anglers and weavers and, strangely enough, alliteration.
  4. Benno
    • Origin:

      German
    • Meaning:

      "bear"
    • Description:

      Benno is a cool name in its own right -- there was a tenth century Saint Benno -- though it is also used as a lively nickname for Benjamin. Saint Benno of Meissen is the patron saint of anglers and weavers and, strangely enough, alliteration.
  5. Paolo
    • Origin:

      Italian, variation of Paul
    • Meaning:

      "small"
    • Description:

      Paolo is an irresistibly lush Italian name for boys, worlds more romantic than its spare English equivalent.
  6. Eduardo
    • Origin:

      Spanish and Italian variation of Edward
    • Meaning:

      "wealthy guardian"
    • Description:

      A stalwart of Latin nomenclature that could work just as well for Anglos. Proof lies with the celebrity birth announcement — Hilaria and Alec Baldwin named their fifth child Eduardo Pau Lucas in 2020. This doesn't seem to have much impact on other parents, though: over 900 boys received the name in 2021, but the number is steadily decreasing.
  7. Carmelo
    • Origin:

      Spanish and Italian from Hebrew
    • Meaning:

      "garden"
    • Description:

      Carmelo is a well-used Hispanic name associated with Mt. Carmel, home of the prophet Elijah and the location of the convent for the order of Carmelites. Carmelo is also a saint's name and — in modern times — tied to basketball player Carmelo Anthony.
  8. Valo
    • Origin:

      Finnish; Malagasy
    • Meaning:

      "light"
    • Description:

      Really offbeat, upbeat multi-cultural name with light sound and meaning. Valo might make a more unique spin on Milo.
  9. 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.
  10. Cosimo
    • Origin:

      Italian variation of Cosmo
    • Meaning:

      "order, beauty, universe"
    • Description:

      Dramatic and worldly, Cosimo was chosen by singer Beck and his wife, Marissa Ribisi, for their son. Now that Cosima has emerged as a starbaby favorite, twin brother Cosimo could join her.
  11. Maceo
    • Origin:

      Spanish variation of Matthew
    • Meaning:

      "gift of God"
    • Description:

      This semi-obscure historic name was recently chosen for their son by Halle Berry and Olivier Martinez.
  12. Vero
    • Origin:

      Latin
    • Meaning:

      "true"
    • Description:

      The o ending and the positive meaning in many languages makes this a winner, and with the feminine Vera making a surprise return, and the new love for the letter 'V', this becomes a name that has definite possibilities.
  13. 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.
  14. Livio
    • Origin:

      Italian variation of Livius
    • Meaning:

      "envious"
    • Description:

      This Italian version of the ancient Roman Livius, with an unenviable meaning, is popular in France and make a fresh spin on Oliver or Levi. In the US, this is a very rare name -- it was given to no baby boys in 2022 -- with big potential.
  15. Octavio
    • Origin:

      Spanish variation of Octavius
    • Meaning:

      "eighth"
    • Description:

      The most popular of the number names used by Hispanic parents, open to all. Octavia and Octavio are two Spanish baby names that are moving out into the wider world.
  16. Darrow
    • Origin:

      English
    • Meaning:

      "spear"
    • Description:

      A family of lawyers might be interested in this surname as a tribute to famed defense attorney Clarence Darrow.
  17. Caio
    • Origin:

      Variation of Latin Caius
    • Meaning:

      "rejoice"
    • Description:

      Joyful-sounding name that makes a really original option.
  18. Benicio
    • Origin:

      Spanish
    • Meaning:

      "blessed"
    • Description:

      Softer than Benedict, less popular than Benjamin, and bolder than Bennett, Puerto Rican actor Benicio Del Toro introduced this name to the American mainstream in the early 2000s, before which the name was hardly use. Popular in Argentina, Benicio debuted on the US Top 1000 in 2016, when it was the third-fastest-rising boys' name, and while it hasn't skyrocketed then, it remains comfortably in the charts.
  19. Brio
    • Origin:

      Italian
    • Meaning:

      "vivacity, zest"
    • Description:

      Musical term with a lot of energy.
  20. Claudio
    • Origin:

      Italian, Spanish
    • Meaning:

      "lame; enclosure"
    • Description:

      Claudio, a most appealing Italian name, is featured in not one, but two Shakespearean plays, ,Measure for Measure and Much Ado About Nothing. While "lame" is the most widely acknowledged meaning, some etymologists theorize that the name may relate to the word for enclosure or clause, an alternate meaning that may appeal to a child with a form of this otherwise-attractive name.