Udham Singh (1899–1940) was an Indian revolutionary.
Udham Singh may also refer to:
Udham Singh (field hockey) (1928–2000), Indian Olympic field hockey player Udham Singh (Chhattisgarh Maoist) (died 2013), Indian Maoist militant Shaheed Udham Singh (film), a 1999 Indian film about the revolutionary Sardar Udham, a 2021 Indian film about the revolutionary