John Kenny is the name of: John Kenny (trombonist) (born 1957), British trombonist and composer John Martin Kenny (died 1918), Australian superintendent John V. Kenny (1893–1975), Mayor of Jersey City (1949–1953) John Patrick Kenny (born 1942), British entrepreneur John Kenny (cricketer) (1883-1937), New Zealand cricketer John Kenny (politician) (1889–1978), Australian politician John Kenny (rugby league), English rugby league footballer John Kenny (Clan-na-Gael) (1847–1924), Irish republican Johnjo Kenny (John Kenny, John Jo Kenny) (born 1961), Scottish and Irish curler and coach