Boris Ivanovich Silayev is a former Kyrgyz politician. He is an ethnic Russian. His family moved to the Kyrgyz SSR when he was 10, and he graduated from the Frunze Polytechnic Institute in 1974. He was Mayor of Bishkek from 1995 to 1998. He served as acting Prime Minister of Kyrgyzstan from December 23 to December 25, 1998, and from April 4 to April 13, 1999. He was First Deputy Prime Minister from 1999 to 2000.