Otto Ernest Nothling (1 August 1900 – 26 September 1965) was a rugby union player who represented Australia, as well as an Australian cricketer who played in one Test in 1928.

He won a scholarship to Brisbane Grammar School, and went on to the University of Sydney, where he studied Medicine whilst residing at St Andrew's College.

[4] Nothling, a fullback, claimed a total of 19 international rugby caps for Australia, playing against New Zealand, Maoris and South Africa.

[11] After graduating as a doctor, Nothling briefly practised medicine in Dubbo in western New South Wales before returning to Queensland.

[12] Nothling served in World War II as a medical officer, with the rank of major, in Egypt and Greece from 1940 until 1943, when he was invalided out.