Show Boat is a 1926 novel by American author and dramatist Edna Ferber. It chronicles the lives of three generations of performers on the Cotton Blossom, a floating theater on a steamboat that travels between small towns along the banks of the Mississippi River, from the 1880s to the 1920s. The story moves from the Reconstruction Era riverboat to Gilded Age Chicago to Roaring Twenties New York, and finally returns to the Mississippi River.

Edna Ferber was an American novelist, short story writer and playwright. Her novels include the Pulitzer Prize-winning So Big (1924), Show Boat, Cimarron, Giant and Ice Palace (1958), which also received a film adaptation in 1960. She helped adapt her short story "Old Man Minick", published in 1922, into a play (Minick) and it was thrice adapted to film, in 1925 as the silent film Welcome Home, in 1932 as The Expert, and in 1939 as No Place to Go.