Nicholas Joseph "Nick" Begich Sr. (April 6, 1932 in Eveleth, Minnesota - October 16, 1972 in Alaska) was an American politician of the Democratic Party.
He was a member of the United States House of Representatives for Alaska from 1971 to 1972. He was also a member of the Alaska Senate from 1962 to 1970.
Begich died (probably) in an aircraft accident at the age of 40. He was declared dead in absentia in December 1972.