Lt. John R. Fischer, former Captain of Ladder 20 of the New York City Fire Department, who died during the September 11, 2001 attacks

John Fischer, Professor of Philosophy at University of California, Riverside

John Fischer, chief meteorologist of KEZI.

John Fischer, the historic 1800s willow weaver of Liverpool, New York

John Fischer, co-founder of the hard rock band Full Moon

Fischer, a list of people with the surname Fishcer

John Fischer, Independent Mining and Pastoral Member of the Western Australian Legislative Council, from 2001-2005

John Fischer, former Mayor of Anaheim, California from 1876-1877

John Fischer (pianist), a German jazz pianist, composer and sculptor born in 1930

John Fischer (Christian musician), singer/songwriter who is one of the credited founders of Jesus music and Senior Writer with PurposeDrivenLife.com