Little Thornapple River may refer to:
Two rivers in Michigan, both part of the Thornapple River system Little Thornapple River (Coldwater River) Little Thornapple River (Eaton County)
Two rivers in Wisconsin, both tributaries of the Thornapple River Little Thornapple River (Rusk County), rises in Sawyer County but mostly in Rusk Little Thornapple River (Sawyer County), entirely in Sawyer County
See also Thornapple River (disambiguation)