Duncan Kasumba Mugabe (born 27 November 1990) is a Ugandan professional tennis player.

[1][2][3] Mugabe was raised in a large family in the Lugogo area of the capital Kampala.

He has seven siblings, including national cricketer Danniel Ruyange and basketball player Brian Kasumba.

[7] He represented Uganda at the 2010 Commonwealth Games in Delhi, where he was beaten in the first round of the singles by Aisam-ul-Haq Qureshi.

[8] Mugabe has had an at times fractious relationship with the Uganda Tennis Association, which in 2018 banned him for six-months, citing instances of indiscipline.