Marcia Langton is a respected authority on social issues in Aboriginal affairs. She has published on Indigenous issues such as gender and identity, land rights, resource management and substance abuse. She has worked internationally on Indigenous rights, conservation and environmental polices. Langton also critiques art and films and has played leading roles in films including; Jardiwampa:A Warlpiri Fire', Night Cries: A Rural Tragedy and Blood Brothers.
She has worked as a Professor at Charles Darwin University. In 2000, she was appointed Foundation Professor of Australian Indigenous Studies at the University of Melbourne. In 2001, Langton was elected Fellow of the Academy of Social Sciences in Australia. She co-won the inaugural Neville Bonner Award for Indigenous Teacher of the Year, 2002.