Niyogi is a caste of Brahmins.
Niyogi may also refer to:
- Audrey Stevens Niyogi, American biochemist and co-discoverer of RNA polymerase
- Jnananjan Niyogi, social reformer and activist with the Indian Independence Movement
- Kanailal Niyogi, activist for the Bengali Language Movement
- Partha Niyogi, professor of computer science and statistics at the University of Chicago
- Shankar Guha Niyogi, Indian labor activist