| Sunday | | SUN-day | English | |
| Sunil | | - | Indian, Hindi, Marathi, Bengali, Assamese, Gujarati, Punjabi, Telugu, Tamil, Kannada, Malayalam, Nep | |
| Sunny | | SUN-ee | English | |
| Sunshine | | SUN-shien | English | |
| Suraj | | - | Indian, Hindi, Marathi, Gujarati, Bengali, Nepali | |
| Susan | | SOO-zən | English | |
| Susanna | | soo-ZAHN-nah (Italian), SOO-sahn-nah (Finnish), soo-ZAN-ə (English) | Italian, Swedish, Finnish, Russian, Dutch, English, Biblical, Biblical Latin, Old Church Slavic | |
| Susie | | SOO-zee | English | |
| Suzan (1) | | SOO-zən | English | |
| Suzanna | | soo-ZAN-ə | English | |
| Suzanne | | soo-ZAHN (French), soo-ZAN (English), suy-ZAHN-nə (Dutch) | French, English, Dutch | |
| Suzi | | SOO-zee | English | |
| Suzie | | SOO-zee | English | |
| Suzy | | SOO-zee | English | |
| Swapan | | - | Bengali | |