Dnyandeo Yashwantrao Patil (Marathi: ज्ञानदेव यशवंतराव पाटील) (born 22 October 1935) was Governor of Bihar state in eastern India from 29 may 2013 to 26 November 2014. He is an educator and a leader of the Indian National Congress from Maharashtra state. He was appointed as the Governor of West Bengal(Acting).