combined skier Adam Cieśliński (born 1982), Polish footballer Adam Cifu, American physician, academic, author, and researcher Adam Cimber (born 1990), American baseball pitcher Adam Ciołkosz (1901–1978), Polish scout, soldier, publicist, and politician Adam G. Ciongoli (born 1968), American lawyer Adam Ciralsky (born 1971), American journalist, television and film producer, and attorney Adam Clapham, author, former BBC executive Adam Clark (1811–1866), Scottish civil engineer Adam Clark, American meteorologist Adam Christian Clark (born 1980), American film director Adam Clarke (1762–1832), British Methodist theologian and biblical scholar Adam Clarke (born 1981), English cricketer Adam Clarke (born 1984), English cricketer Adam Clawson (1972–2017), American slalom canoeist Adam Clay (born 1982), American soccer player Adam Clay (born 1990), English rugby league footballer Adam Clayton (born 1960), bass player in U2 Adam Clayton (born 1989), English professional footballer Adam Clendening (born 1992), American ice hockey player Adam C. Cliffe (1869–1928), American politician Adam Clift (born 1962), British rower Adam Clune (born 1995), Australian rugby league footballer Adam Clydsdale (born 1993), Australian rugby league footballer Adam Clymer (1937–2018), American journalist Adam Coakley (born 1987), Scottish footballer Adam Cockburn, Australian actor Adam Cockburn, Lord Ormiston (1656–1735), Scottish administrator, politician, and judge Adam Cockie (born 1989), Australian rules footballer Adam Cockshell (born 1986), Australian rules footballer Adam Cohen (born c. 1962), American journalist, author, lawyer, and editor Adam Cohen (born 1972), Canadian musician, frontman of the band Low Millions Adam Cohen (born 1979), American chemist and professor Adam Cole (born 1974), English cricketer Adam Cole (Austin Jenkins) (born 1989), American professional wrestler Adam Coleman (born 1991), Australian rugby union player Adam Collin (born 1984), English goalkeeper Adam Collins (born 1984), Australian journalist and sports broadcaster Adam Collis, American filmmaker and actor Adam Colonia (1634–1685), Dutch painter Adam Commens (born 1976), Australian field hockey player and coach Adam Comorosky (1905–1951), American baseball player Adam Comrie (1990–2020), Canadian-American ice hockey player Adam Comstock (1740–1819), American soldier and politician Adam Conley (born 1990), American baseball pitcher Adam Connelly (born 1979), Australian rugby league footballer Adam Connolly (born 1986), English footballer Adam Conover (born 1983), American comedian, writer, voice actor, and television host Adam Contessa (born 1976), Australian rules footballer Adam Contzen (1571–1635), German Jesuit economist and exegete Adam Cook (1977–2008), New Zealand rugby league player Adam Cook (born 1979), former English cricketer Adam Cook (born 2000), Australian rugby league player Adam Cooley, American artist Adam Coombes (born 1991), English footballer Adam Coon