John Fischer may refer to: John Fischer (pianist) (1930–2016), Belgian/American jazz pianist, composer electronic painter and sculptor John Fischer (Christian musician) (born 1947), singer/songwriter, one of the credited founders of Jesus music John Fischer (politician) (born 1947), One Nation and Independent Mining and Pastoral Member of the Western Australian Legislative Council, 2001–2005 John Fischer, mayor of Anaheim, California, 1876–1877 Johnny Fischer (1912–1984), American golfer, fl. 1930s John Fischer (painter) (1786–1875), German painter John Fischer (baseball), 19th-century Major League Baseball player John Fischer (judge) (born 1948), judge on the Oklahoma Court of Civil Appeals John Henry Fischer (1910–2009), academic administrator in Baltimore John Martin Fischer, professor of philosophy at the University of California, Riverside