Ida Dorothy Ottley Cottrell (16 July 1902 – 29 June 1957) was an Australian writer. Born in Picton, she contracted infantile paralysis as a child and spent the rest of her life in a wheelchair. Her first novel, The Singing Gold, was published in 1928. She wrote a story Wilderness Orphan (1936) which was the basis for the feature film Orphan of the Wilderness (1936). She lived for a time in the US and also worked as an artist and cartoonist.