John Frederick Felske (born May 30, 1942) is an American former professional baseball catcher, coach, and manager in Major League Baseball (MLB). Felske reached the big leagues as a player with the Chicago Cubs (1968) and Milwaukee Brewers (1972–1973). Most notably, he was the manager of the Philadelphia Phillies, where he achieved a record of 190 victories and 194 defeats (.495), across almost 2+1⁄2 seasons (1985–1986) and the first 61 games of 1987, before being succeeded by Lee Elia.