Names Ending in O for Boys

Flabio

Currently more popular in its feminine form, Flaminia (a Top 200 choice in Italy), Flaminio is an Italian form of the Latin Flaminius. Nothing to do with flames, the name comes from <em>flamen</em>: a Roman priest devoted to a particular "official" deity.


Flaminio

A melodic and golden name that is most familiar in Brazil and the Philippines, along within its native Italy, Flaviano ultimately comes from the Roman Flavius, meaning "golden-haired", or simply "golden, yellow".  Notable bearers have included the 19th century Italian painter Flaviano Bucci, operatic singer Flaviano Labò, and cyclist Flaviano Vicentini, along with one of the youngest generals of the Philippine Revolution, Flaviano Yengko.

Flaviano

Florenzo

Floral and fanciful but solid and elegant too, Floriano is a variation of international feeling Florian. Ultimately from the Latin Florus, meaning "flower", it has been notably borne by Brazilian president Floriano Peixoto and footballer Floriano Vanzo. 

Floriano

Floriberto

Florindo

Florio

A floral boy name without any frills, Floro is a rare variation of Florus, less familiar that Florian or the similar Florence, but potentially appealing to those looking for rare boy names ending in -o. The name is sometimes used in the Philippines, Columbia, and Peru, and more quietly still in Brazil, Mexico, and Italy. 
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Ultimately derived from Latin, the name is pronounced FLAW-ro in Italian and FLO-ro in Spanish, and has been notably born by illustrator Floro Dery. The name shouldn't be confused with the Norwegian place name, Florø, which has a different origin (for Old Norse, meaning "flat ground" or "flood"). 

Floro

Fracisco

Franchesco

Francico

Franciso

Francsico

Franisco

A spirited variation of Francis (and Frank), predominantly used in Croatia, but also in Bosnia, Serbia, Slovenia, Germany, and Austria too (albeit more quietly). Notable bearers include skier Franjo von Allmen and politician Franjo Tuđman.

Franjo

Fransico

Frumencio

Frutoso

Fujio

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 104)

1770+ Boy Names Ending in O