Donald Tyson Ewell (November 14, 1916 – August 9, 1983) was an American jazz stride pianist from Baltimore, Maryland.
He worked with Sidney Bechet, Kid Ory, George Lewis, George Brunis, Muggsy Spanier, and Bunk Johnson.
Ewell played with Bill Reinhardt's Jazz, Ltd.
band in Chicago in 1947, 1948, and 1949.
From 1956 to 1962, Ewell was a member of the Jack Teagarden band.
After Teagarden's death, Ewell went on tour in Europe, then returned to New Orleans and performed in clubs and hotels.
From 1976 to 1978 he concertized and battled alcoholism while living with his friend King Denton, the manager of a jazz club where Ewell was Artist in Residence.
Ewell moved back to Maryland.
After his daughter's death from cancer and after two strokes, Ewell died on August 9, 1983.