Rainbow Sun Francks (born 3 December 1979) is a Canadian actor known for his role as Lt. Aiden Ford in the television show Stargate Atlantis, and his recurring roles on The Listener, The Umbrella Academy and High Fidelity.

Francks was born in Toronto, Ontario, Canada. He is the son of Canadian actor and musician Don Francks and Plains Cree-African-American dancer Lili Red Eagle, who is originally from North Richmond, California. He is an adopted honorary member of the Red Pheasant Cree Nation, a First Nation of Canada. He is also the younger brother of Cree Summer.^[1][2]

Francks was an on-air personality at MuchMusic, a Canadian music video and variety television channel.^[2] He starred in Stargate Atlantis Season 1 as US Marine Lieutenant Aiden Ford. His role was reduced to that of a recurring character for Season 2, and was written out entirely for Season 3 and 4 (he made a brief cameo in a dream sequence in season 5).^[3][4] He played the role of Dev Clark on The Listener.^[5] He produces a hip hop group known as The Oddities.^[6]