Monty Beisel (pronounced /ˈbaɪzəl/; born August 20, 1978 in Newton, Kansas) is an American football linebacker for the Kansas City Chiefs of the National Football League. He was drafted by the Chiefs in the fourth round of the 2001 NFL Draft. He played college football at Kansas State.

Beisel has also played for the New England Patriots and Arizona Cardinals.

Beisel attended college at Kansas State University as a Social Sciences/Mass Communications major. Beisel also played in 44 games accumulating 192 tackles (110 solo), 22.0 sacks, 45.0 stops for loss and 18 passes defended. He was a two-time first-team Academic All-Big 12 selection. He also received All-Big 12 Conference honorable mention and was a second-team Academic All-Big 12 pick.