Jocko is a nickname, often for John or Joseph. Notable people named Jocko include:
Jocko Anderson (born 1892), Canadian professional ice hockey playerJocko Clark (1893–1971), Native American US Navy admiralJocko Collins, National Basketball Association referee and supervisor of officialsJocko Conlan (1899–1989), American Hall-of-Fame Major League Baseball umpireJocko Conlon (born 1897), Major League Baseball playerJocko Cunningham, former racing driver who competed in the SCCA/ECAR Formula Atlantic series from 1986 to 1990Jocko Fields (1864–1950), Major League Baseball playerJocko Flynn (1864–1907), Major League Baseball pitcherJoaquín "Jack" García (born 1952), retired undercover FBI agentJack Gotta (1929–2013), American football player, coach and general manager, mainly in the Canadian Football LeagueJocko Halligan (1868–1945), Major League Baseball playerJocko Henderson (1918–2000), American radio personalityLuke Johnson (musician) (born 1981), English rock musician, drummer and songwriterJocko Maggiacomo (born 1947), NASCAR Winston Cup series driverJocko Marcellino (born 1950), American singer, musician, songwriter, producer, actor and one of the founders of the American rock and roll group Sha Na NaSherman Maxwell (1907–2008), African-American sportscaster and chronicler of Negro league baseballJocko Milligan (1861–1923), Major League Baseball catcherJack Nelson (American football) (1927–1978), American college and National Football League coachJocko Sims, American actor best known for his role as Anthony Adams (aka Panic) on the Starz network series CrashGwyn Thomas (reporter) (1913–2010), Canadian crime reporterJocko Thompson (1917–1988), Major League Baseball pitcherJohn "Jocko" Willink (born 1972), retired United States Navy SEAL, author of Extreme Ownership, host of Jocko Podcast