Baby: Secret of the Lost Legend is a 1985 American adventure fantasy film directed by Bill L. Norton and starring William Katt, Sean Young, Patrick McGoohan, and Julian Fellowes. The film follows paleontologist Susan Matthews-Loomis and her husband George, who stumble upon Brontosaurus on an expedition in Central Africa while trying to track down a local monster. The two are pursued by the African military in an attempt to protect a baby dino and its parents.

Produced by Walt Disney Studios and released on its Touchstone Films label, it was first released on March 22, 1985. A recut version was broadcast on American television by NBC in 1989 under the title Dinosaur...Secret of the Lost Legend as part of The Magical World of Disney.