1770+ Boy Names Ending in O

Ebo is a powerful African day name that can be used to fit its definition.

The great pre-Renaissance painter known as Fra Angelico was actually born Guido di Pietro, but his nom d'art might work for your little angel.

Enzio is a masculine name with Italian origins, possibly derived from the Germanic name Heinz or Heinrich, meaning 'home ruler.' Historically significant through Enzio (or Enzo) of Sardinia, the illegitimate son of Emperor Frederick II in the 13th century. The name carries an exotic flair with its distinctive 'z' sound and Italian resonance. Enzio projects strength and charisma, embodying a sophisticated European sensibility. While Enzo has gained popularity in recent years, Enzio remains a less common variant, offering uniqueness while maintaining the appealing sound. Parents drawn to Italian names with historical depth yet contemporary appeal might find Enzio particularly attractive for its balance of uniqueness and accessibility.

Leto Atreides is the father of protagonist Paul of the Dune franchise. Other parents may use this name for its connection to actor and musician Jared Leto.

Grandparents are sure to link this to disgraced Nixon vice president Spiro Agnew.

Heino is a masculine name of Germanic origin, primarily used in Finland, Estonia, and Germany. It derives from the Germanic element 'hagan' meaning 'enclosure' or possibly from 'heim' meaning 'home.' As a Finnish form of Heinrich (Henry), it carries the meaning 'ruler of the household.' The name has a rich history dating back centuries and remains moderately popular in Nordic and Baltic countries. Heino gained particular cultural recognition in German-speaking countries through the famous German folk singer of the same name. The name's straightforward pronunciation and strong sound give it an enduring appeal for parents seeking a traditional name with Nordic roots.

Roméo is the French form of Romeo, a masculine name immortalized by Shakespeare's tragic hero in 'Romeo and Juliet.' The name derives from Italian roots, possibly connected to Latin 'romaeus,' meaning 'pilgrim to Rome' or 'Roman.' The acute accent over the 'e' indicates French pronunciation (roh-MAY-oh), distinguishing it from the Italian and English versions. The name evokes romance, passion, and devotion due to its literary associations, making it an expressive and emotional choice. While classic in French-speaking regions like France, Quebec, and parts of Switzerland, it remains less common in English-speaking countries. The name carries a certain sophistication and artistic flair while maintaining masculine strength. Despite its connection to a tragic character, Roméo is more commonly associated with romance and love than with the story's unhappy ending.

Aryobarzanes or Aryo Barzan, meaning "exalting the Aryans", is the name of a Persian hero who fought against Alexander the Great in 330 BC.

Variation of the popular religious name, boosted by megastar Portuguese footballer Cristiano Ronaldo.

Evo is a concise, powerful masculine name with multiple possible origins. It may be derived from Latin "evolvere" meaning "to evolve" or could be a shortened form of names like Evander or Evan. In some Slavic contexts, it relates to names meaning "life" or "living." The brevity of Evo gives it a modern, minimalist appeal that fits contemporary naming trends toward shorter, impactful names. Despite its simplicity, Evo carries connotations of evolution, progress, and forward movement. Relatively rare in English-speaking countries, it has seen more usage in parts of Eastern Europe. Its international versatility and strong sound pattern make it appealing for parents seeking a distinctive yet accessible name with positive connotations.

Energetic and bouncy, but keep it as a short form.

Also written as Eijirō or Eijirou, this name was traditionally borne by second-born sons.

This Spanish version of Maurice has been on the US charts since the 60s. Mauricio peaked in the early 2000s, getting as high as #353 before falling again. With lively, "-o" ending names getting the attention they have got in recent years, Mauricio would be a great option. Mauricio Macri was a former president of Argentina.

In Italy, a common melding of two popular names, heard in the US as well.

Geno is a masculine name with multiple potential origins. It can be a shortened form of names like Eugene (meaning 'well-born' or 'noble'), Eugenio, or Gennaro (from the Latin Januarius, referring to the month of January). In Italian usage, Geno often serves as a nickname for Luigi or Eugene. The name has a strong, simple sound with just two syllables, giving it an approachable, friendly quality. Geno gained some recognition in American culture through sports figures and musicians, though it remains relatively uncommon. Its brevity and easy pronunciation make it appealing to parents seeking a distinctive yet uncomplicated name with European roots. The name carries a warm, unpretentious character while maintaining its masculine strength.

This Latinate form of Bernard hovered in the lower regions of the US Top 1000 from the late 1940s until 2006, possibly inspired by the character in West Side Story. It remains popular in Portugal and it does have a little more flair than the grandpa style Bernard.

Mellow and musical.

A South American dance style whose name derives from Latin tangere "touch". It's also a popular orange-flavored fizzy drink in the UK, as well as the word for the letter T in the NATO phonetic alphabet.

An unusual name heard in contemporary Germany, the Netherlands, and Scandinavia, it's the male version of the more familiar Inga. It's the name of a German god, and attached to German-born soap star Ingo Rademacher--the father of sons named Peanut and Pohaku Zen.