| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Rika | - | Swedish, Dutch | ||
| Rikard | REE-kahrd (Swedish) | Swedish, Norwegian, Danish | ||
| Rikhard | REEK-hahrd | Finnish | ||
| Rikke | REEK-ke | Danish | ||
| Rikki | RIK-ee | English (Modern) | ||
| Riko | ṙee-ko | Japanese | ||
| Riku (1) | REE-koo | Finnish | ||
| Riku (2) | ṙee-koo | Japanese | ||
| Rikuto | ṙee-koo-to | Japanese | ||
| Riley | RIE-lee | English | ||
| Rilla | RIL-ə | English | ||
| Rin | ṙeen | Japanese | ||
| Rina (4) | ṙee-nah | Japanese | ||
| Rinat (1) | - | Tatar, Bashkir | ||
| Rio (1) | - | Various |