Justine Lumumba Kasule is a Ugandan educator and politician. She is the current Secretary General of the ruling National Resistance Movement political party in Uganda. She was appointed to that position on 23 December 2014, replacing Amama Mbabazi. Prior to that, she served as the Chief Government Whip in the Ugandan Cabinet, from May 2011 until December 2014.
Justine Lumumba Kasule is also the former Woman Member of Parliament for Bugiri. She was born in Bugiri District on 22 November 1972. She attended local schools before joining Makerere University, where she graduated with the degree of Bachelor of Arts with a concurrent Diploma in Education, in 1996.