Paul Onsongo (born 21 July 1948), is a Kenyan actor.
He is most notable for the roles in the films Mountains of the Moon, Küken für Kairo and The Flame Trees of Thika.
The story of Captain Richard Francis Burton's and Lt. John Hanning Speke's expedition to find the source of the Nile river in the name of Queen Victoria's British Empire. The film tells the story of their meeting, their friendship emerging amidst hardship, and then dissolving after their journey.