Watwa (pia: Batwa, Cwa) ni kundi la wabilikimo wa Afrika ya Kati (Jamhuri ya Kidemokrasia ya Kongo, Burundi, Rwanda, Uganda), lakini pia Zambia, Angola, Namibia na Botswana ambao wanaishi kwa kushirikiana na majirani wao wa makabila ya Kibantu. Kihistoria inafikiriwa kwamba ndio wakazi asili ya misitu ya eneo hilo kabla ya uvamizi wa wakulima Kwa kiasi kikubwa Watwa wamemezwa na makabila hayo ya Kibantu, kwa mfano katika Tanzania ya leo. Vansina argues that the original meaning of the (Proto-Bantu) word *twa was "hunter-gatherer, bushpeople", alongside yaka used for the western (Mbuti) pygmies (Bayaka) (October 1990) Paths in the rainforests : toward a history of political tradition in equatorial Africa. University of Wisconsin Press. ISBN 978-0-299-12574-5.  Kazadi, Ntole (2011). "Meprises et admires: l'ambivalence des relations entre les Bacwa (Pygmees) et les Bahemba (Bantu)". Africa 51 (04): 836–847. doi:10.2307/1159357 . Francis, Michael (25 September 2015). "Silencing the past: historical and archaeological colonisation of the Southern San in KwaZulu-Natal, South Africa".