Ishwar Singh may refer to:
Ishwar Singh (politician, born 1950), Indian politician, Rajya Sabha member from Haryana Ishwar Singh (politician, born 1926) (1926–1998), Indian politician, leader of the Congress Party and speaker of Haryana Vidhan Sabha
See also Ishwari Singh, ruler of the Indian princely state of Bundi from 1927–1945 Ishwari Singh of Jaipur, Maharaja of Jaipur (ruler of the Indian princely state)