Girl Names Ending in O

Popular choice for female anime characters.

Brought into prominence as the name of the Crown Princess of Japan

Willo is a charming feminine name that likely developed as a diminutive or variation of Willow, the graceful tree name that symbolizes flexibility and resilience. While Willow has gained considerable popularity in recent decades, Willo remains a rare alternative with a playful, slightly vintage quality. The name may also connect to Germanic origins, where names containing 'wil' often relate to determination and desire. Willo has occasionally appeared in literature and media, contributing to its whimsical, storybook quality. The simplified spelling gives the name a distinctive appearance while maintaining the pleasant sound associated with Willow. Parents choosing Willo often appreciate its balance of uniqueness and accessibility.

Amio is a rare feminine name with multicultural resonances. It may derive from Italian, where it could be related to 'amico' meaning 'friend,' or it might have Japanese origins where it could mean 'beloved.' The name also evokes the Spanish word 'amigo' (friend) or the Latin 'amo' (I love). Though uncommon in English-speaking countries, Amio has a melodic quality with its flowing vowel sounds. The name's brevity and open-ended pronunciation make it accessible across languages and cultures. Amio's rarity offers the appeal of uniqueness while still being relatively simple to spell and pronounce. Its gentle sound and positive connotations of friendship and love make it an appealing though unconventional choice.

Possibly to honor Canadian short story writer Alice -- though Alice is more far accessible and--until very recently-- nearly as distinctive.

Clo is a feminine name with several possible origins. It may function as a diminutive of Clotilde, a name of Germanic origin meaning "famous battle," or of Clothilde, which combines elements meaning "fame" and "battle." Alternatively, it could be short for Chloe, derived from Greek meaning "blooming" or "young green shoot." This concise name reflects the modern trend toward brief, impactful names. Clo has a vintage charm reminiscent of early 20th century nicknames while simultaneously feeling fresh and contemporary. Though rare as a standalone name, its simplicity gives it cross-cultural appeal and versatility.

Derived from the Latin lilium, Lírio is a unisex floral name which was used for a witch character in the cult 1996 horror film The Craft.

The ethereal name of a Greek mythology sea nymph.

Brio is a musical term with great verve and energy, with possibilities as a first name on the heels of such choices as Cadence, Allegra, and Rio.

Ekko is an uncommon feminine name with a contemporary, distinctive feel. It appears to be a creative variation of Echo, which derives from Greek mythology – Echo was a mountain nymph condemned to only repeat the last words spoken to her. The replacement of 'ch' with 'kk' gives the name a modern, stylized quality while maintaining the mythological connection. The name evokes images of sound resonating through space, suggesting a personality that makes an impact or leaves an impression. The double 'k' spelling may also draw inspiration from Scandinavian or Finnish naming patterns, adding a Nordic touch. As a feminine name, Ekko remains rare, appealing to parents seeking something unconventional with both mythological depth and contemporary style. Its short, punchy nature makes it distinctive while remaining easy to pronounce and spell.

Tellervo is the Finnish goddess of the forest, who is often depicted milking and taking care of cows.

Name introduced here via Chinese cinema, has middle-place potential.

Yoshiko is a traditional Japanese feminine name combining elements that typically mean 'good' (yoshi) and 'child' (ko), though the meaning can vary depending on the specific kanji characters used to write it. Popular throughout the 20th century in Japan, Yoshiko was particularly common among women born in the early to mid-1900s. The name reflects traditional Japanese naming patterns where 'ko' (child) was frequently used as a suffix for girls' names. While maintaining strong cultural connections to Japan, Yoshiko has gained some international recognition through Japanese diaspora communities. The name carries a gentle rhythm and authentic cultural significance, appealing to parents seeking a name with clear Japanese heritage and a graceful sound.

Cute and quirky nickname that stands on its own in Finland.

A more unusual romaji spelling of Choko.

Cute combination name which is now past its peak. It may be written as one word, two words (Mary Jo), or hyphenated (Mary-Jo).

Actor Wilmer Valderrama and Amanda Pacheco adapted this Japanese surname for their daughter Nakano Oceana, born in 2021. The couple was inspired by female samurai Nakano Takeko (Nakano being her surname), who led a group of women warriors that fought on the front lines against samurai rules.

The name of one of the Nereids – daughters of the sea god Nereus – in Greek mythology. A moon of Neptune is named in her honor.

Best known to the West through the story of Sadako and the thousand paper cranes, which tells the story of Sadako Sasaki, this name has become synonymous with peace.