Jim D. Cudaback (born 1938) is a politician from the U.S. state of Nebraska.
From 1991 to 2007, he represented the 36th District in the Nebraska Legislature.
He also attended Kearney State College, Lincoln School of Commerce, and U.S. Air Force schools.
Cudaback was elected in 1990 to represent the 36th Nebraska legislative district; he was re-elected in 1994, 1998, and 2002.
A term-limits law passed by Nebraska voters in 2001 precluded his running for re-election in 2006.