John Y. McCollister, American lieutenant and politician (b. 1921)
John Yetter McCollister (June 10, 1921 – November 1, 2013) was an American Republican politician.

He was born to John M. McCollister and Ruth Yetter McCollister in Iowa City, Iowa. In 1939 he graduated from Washington High School in Sioux Falls, South Dakota and in 1943 he graduated from the University of Iowa in Iowa City. He married Nanette Stokes on August 22, 1943.