Khalsa may refer to:
- Khalsa, a Sikh order
- Khalsa Fauj, the military forces of the above
- Dal Khalsa (Sikh Army), (1748–1799)
- Sikh Khalsa Army, the military force of the Sikh Empire
- Balestier Khalsa FC, Singaporean professional football club
- Sarabjeet Singh Khalsa, Indian politician