Nikolai Mikhailovich Budarin (Russian: Николай Михайлович Бударин) (born April 29, 1953 in Kirya, Chuvashia) is a retired Russian cosmonaut, a veteran of three extended space missions aboard the Mir Space Station and the International Space Station. He has also performed eight career spacewalks with a total time of 44 hours. Named a cosmonaut candidate in 1989, Budarin's first space mission was a long-term assignment aboard the space station Mir in 1995. Since then, he again made extended stays on Mir in 1998 and the International Space Station Expedition 6 from 2002 to 2003.