Cap is the nickname of the following people:
Charles A. Allen (Los Angeles), city councilman in the 1940sCap Anson (1852-1922), American Major League Baseball playerC. E. "Cap" Barham (1904-1972), American politicianCap Boso (born 1963), American former National Football League playerIrwin Caplan (1919-2007), American illustrator, painter, designer and cartoonistWilbur Wade Card (1873-1948), American baseball player, coach and athletic director at Duke UniversityCap Crowell (1892–1962), American Major League Baseball pitcherCap Dierks (born 1932), American politicianCap Edwards (1888-?), National Football League coach and playerCap Fear (1901-1978), Canadian Football League playerErnest R. Graham (politician) (1886-1957), American politicianWalthall Robertson Joyner (1854-1925), mayor of Atlanta, GeorgiaAustin E. Lathrop (1865-1950), American industrialist and outspoken opponent of Alaskan statehoodBill Narleski (1900-1964), American Major League Baseball playerJohn Oehler (1910-1983), American National Football League playerCap Peterson (1942-1980), American Major League Baseball playerCap Raeder (born 1953), American former World Hockey Association goaltender and National Hockey League coachJoseph Shaw (editor) (1874-1952), American magazine editor and fencerGeorge Streeter (1837-1921), American crookAndrew Tilles (1865-1951), American business magnate and philanthropistCap Timm (1908-1987), longest-tenured college baseball coach for the Iowa State University CyclonesCaspar Weinberger (1917-2006), American politician and businessman, Secretary of Defense under President ReaganClarence W. Wigington (1883-1967), African-American architectMarsh Williams (1893-1935), American Major League Baseball pitcher in 1916