Jack Charles (5 September 1943 – 13 September 2022), also known as Uncle Jack Charles, was an Australian stage and screen actor and activist, known for his advocacy for Aboriginal people. He was involved in establishing the first Indigenous theatre in Australia, co-founding Nindethana Theatre with Bob Maza in Melbourne in 1971. His film credits include the Australian film The Chant of Jimmie Blacksmith (1978), among others, and more recently appeared in TV series Cleverman (2016) and Preppers (2021).