James “Jim” Wacker was an American football coach and college athletics administrator. He served as the head football coach at Texas Lutheran University (1971-1975), North Dakota State University (1976-1978), Southwest Texas State University–now Texas State University–San Marcos (1979-1982), Texas Christian University (1983-1991), and the University of Minnesota (1992-1996), compiling a career college football record of 159-131-3.

Wacker won two NAIA Division II National Championships with Texas Lutheran in 1974 and 1975 and two NCAA Division II National Championships with Southwest Texas State in 1981 and 1982. Wacker was named as National Coach of the Year by ESPN, the UPI, and The Sporting News. He was awarded the 1984 Bobby Dodd Coach of the Year Award.

After his time at Minnesota, Wacker was an announcer on CBS Radio for two years and then returned to Southwest Texas State University in 1998 to serve as athletic director until 2001. In November 2003, Southwest Texas State named its football field at Bobcat Stadium “Jim Wacker Field” in his honor.