Kaptan Singh Solanki (born 1 July 1939) is an Indian politician. He is a member of the Bharatiya Janata Party. From 2018 to 2019, he was Governor of Tripura. From August 2009, he was the member of the Parliament of India representing Madhya Pradesh State in the Rajya Sabha. From 2014 to 2018, he was Governor of Haryana.