Knepper may refer to:Émile Knepper, Luxembourgian gymnast who competed in the 1912 Summer Olympics Arnie Knepper (1930–1992), American racecar driver Bob Knepper, former pitcher in Major League Baseball with a 15-year career from 1976 to 1990 Charlie Knepper (1871–1946), Major League Baseball player, a right-handed pitcher who batted from the right side James Knepper, former Republican member of the Pennsylvania House of Representatives Jean-Bernard Knepper (1638–1698), Luxembourg advocat and notary, and from 1693 to 1698 the Mayor of the City of Luxembourg Jimmy Knepper (1927–2003), American jazz trombonist Paul H. Knepper, aircraft engineer from Tamaqua, PA Robert Knepper, American actor
