Montgomery Meigs "Monty" Atwater (1904–1976) was an American avalanche researcher, forester, skier, and author.

[2] Atwater worked a number of jobs including football coach, cattle rancher, and trapper.

During World War II, Atwater served in the 10th Mountain Division as a winter warfare instructor.

In 1960, Atwater served as the Avalanche Control Chief during the 1960 Winter Olympics in Squaw Valley, California.

In 1960s, with Frank Parsoneault, Atwater developed the Mark 10 Avalaunchers, a pneumatic cannon for launching avalanche control explosives.