- Semarhana
- Semarhana
- Semari
- Shahpurwa
- Shakti Nagar
- Shamsherganj
- Shangkarpur
- Shanti Nagar
- Shiva Nagar
- Shivapuri
- Shivapuri
- Sidhanawa
- Sidhanawa
- Sidhaniyā
- Sidhaniya
- Sikhanpurwa
- Sikṭā
- Sikta
- Simalghari
- Simalghari
- Simarhawa
- Simarwadanda
- Simha Bhawani
- Sinabans
- Sinābā̃s
- Sinduri
- Siraha
- Sisawa
- Siurajpur
- Soltipur