Names Ending in O for Boys

Jungwoo

Junhao

Junito

Justiniano

Juvencio

A seemingly invented name, recorded in France, with all the cool sounds. It may be based on the Hawaiian name Kaileo.

Kaélïo

Kaiko

Kaimipono

Kaiyo

Kaiyro

Kaliko

Kalino

Kalio

Kamario

With its in vogue K initial and its cool <em>-o</em> ending, Kameiro is a rare but (quietly) rising option for boys, given to 10 boys and appearing in the US stats for the first time in 2024. Associated with social media star, Kameiro Rush, who rose to fame due to his family's YouTube channel, the name might be considered a variation of the Scottish Cameron, via its elaborated form, Kamarion. Alternatively, it might be inspired by the name of an ancient Greek city, named Kameiros, or Camirus, possibly taken from a personal name, meaning "arched". 

Kameiro

Kameko

Kamello

Kameo

A name with plenty of energy and depth, Karabo is a unisex choice, given predominantly in South Africa and Botswana. Meaning "answer" or "response", notable male bearers include cricketer Karabo Motlhanka, paralympic boccia player Karabo Morapedi, and sprinter Karabo Mothibi.



Karabo

Karamo

Boy names ending in O offer many intriguing options, from such top names as Theo to unique O-ending names from Kylo to Zino.

Mateo is the most popular boy name ending with O

 right now, though there are nearly 100 O-ending boy names among the US Top 1000. Along with Mateo, other boy names in the US Top 1000 include Leo, Santiago, Diego, Romeo, and Antonio.

unique names for boys that end with the letter O

 worthy of your consideration. These range from the biblical Jethro to the ancient Greek Cosmo to the cool, modern Rio and Po.



Here are all Nameberry’s boy names that end with the letter O, ordered by their current popularity on Nameberry.

Baby boy Names ending in the letter O, with meanings, origins, and popularity, including top boy names that end in O such as Milo and Kylo along with unique O-ending names such as Quinto. (Page 114)

1770+ Boy Names Ending in O