| Riley | | RIE-lee | English | |
| Rilla | | RIL-ə | English | |
| Ripley | | RIP-lee | English (Rare) | |
| Rishi | | - | Indian, Hindi, Marathi, Bengali, Nepali | |
| Rita | | REE-tə (English), REE-tah (German) | Italian, English, Swedish, Norwegian, Danish, German, Hungarian, Spanish, Portuguese | |
| Ritchie | | RICH-ee | English | |
| River | | RIV-ər | English (Modern) | |
| Riya | | - | Indian, Hindi, Marathi, Bengali | |
| Rob | | RAHB (English), RAWB (Dutch) | English, Dutch | |
| Robbie | | RAH-bee | English | |
| Robby | | RAH-bee | English | |
| Robena | | - | English (Rare) | |
| Robert | | RAH-bərt (English), ro-BER (French), RO-bert (German), RO-bərt (Dutch), RAW-bert (Polish), RO-byert (Russian), RO-beert (Russian) | English, French, Swedish, Norwegian, Danish, German, Dutch, Czech, Slovak, Polish, Russian, Slovene, | |
| Roberta | | rə-BUR-tə (English), ro-BER-tah (Italian, Spanish) | English, Italian, Spanish | |
| Robin | | RAH-bin (English) | English, Dutch, Swedish | |