Robert Kajuga (born 1 January 1985 in Kaniga, Gicumbi District) is a Rwandan long-distance track and road runner.

Kajuga qualified to the 2012 Summer Olympics on July 8, 2012 when he ran the 10,000-metre at the African Senior Athletics Championship in Benin in a time of 28:03 (min:sec).

[2] After his Olympic debut, where he finished 14th, he began participating in longer-distance road races.

On April 21, 2013, he ran a half-marathon in Nice, France recording a time of 1:01:37.

[1] He was banned for four years, spanning 25 March 2016 to 2020, after refusing to submit to a doping control after a race in Kigali.