Marvin Leonel Esch (August 4, 1927 – June 19, 2010) was an American politician from the U.S. state of Michigan and a member of the Republican Party.

He served in the U.S. House of Representatives from 1967 to 1977 before unsuccessfully seeking a seat in the United States Senate in the 1976 election.

Following his political career, Esch became active in business and political activism, becoming director of public affairs for the U.S. Steel Corporation and director of programs and seminars for the American Enterprise Institute.

[1][2] In 1966, Esch defeated former U.S. Representative George Meader in the Republican primary elections for Michigan's 2nd congressional district.

He was not a candidate for reelection to the Ninety-fifth Congress in 1976, but was an unsuccessful candidate for election to the United States Senate, losing in the general election to Democrat Donald W. Riegle, Jr.[1][5][6] He won 47% of the vote in that race.