1770+ Boy Names Ending in O

Nico is a fun and lively nickname, full of charm, and suitable both as a full name and a short form. Nikko is a unique spelling that currently sits just outside of the US Top 1000.

Sometimes heard in the Latino community, has not crossed over into others.

A surname that could become a first, an alternate to the already-taken REGIS.

This dramatic Italian and Spanish variant of the Greek name Anastasius (masculine form of Anastasia) feels lighter and livelier than its five syllables would suggest.

A vireo is a small green bird with a song as melodic as this highly unusual name, but it does sound a touch viral.

One of the many rhythmically appealing Italian names newly up for consideration, with more substance than the modelly FABIO. Variations: FABIO, FABIAN, FABRIZIO

This originated as a nickname for a skinny person; could make a rhythmic first name as well.

A popular Finnish male name properly spelt Väinö, which derives from Väinämöinen – a hero from Finnish legend. Vaino (without the diacritic marks) is a Finnish word meaning "persecution" and so is not used in Finland as a name in this form.

The mute, horn-honking Marx Brother's real name was Adolph -- so Harpo represented a huge step up. Also, it's Oprah's production company (her name spelled backward).

A name best for pets.