Shumaker is a surname, being an Americanized form of the German surname Schumacher. Notable people with the surname include:

Anthony Shumaker (born 1973), American baseball pitcher Edward Shumaker (1896-1973), American sports shooter John Shumaker (1929-1999), American politician John W. Shumaker (born 1942), American educator Robert H. Shumaker (born 1933), American rear admiral and naval aviator Taylor Shumaker (born 2006), American softball player

See also Shumaker-Lewis House, a historic home in West Virginia, United States Shumaker Naval Ammunition Depot, a munitions manufacturing facility in Arkansas, United States