The Solomons frogmouth (Rigidipenna inexpectata), also known as the cinnamon frogmouth or Solomon Islands frogmouth, is a species of frogmouth in the Podargidae family. It was first described in 1901, but not recognized as highly distinct until 2007. It is the only known member of the genus Rigidipenna. It is endemic to the islands of Isabel, Bougainville and Guadalcanal in the Solomon Islands.