Jaswant Singh (1938–2020) was an Indian cabinet minister.
Jaswant Singh may also refer to:
- Jaswant Singh of Marwar (1629–1678), ruler
- Jaswant Singh II (1838–1895), Maharaja of Jodhpur
- Jaswant Singh of Bharatpur (1851–1893), ruler
- Jaswant Singh (field hockey) (1931–2022), field hockey player
- Jaswant Singh (Khoji) (pre-1960–1999), Punjabi writer