Donald Sproxton (born 7 February 1953) is the auxiliary bishop of the Roman Catholic Archdiocese of Perth.

[2] Sproxton commenced his formation for the priesthood in 1971, entering St Charles' Seminary, Guildford where he studied philosophy.

He was ordained to the priesthood on 17 December 1977 by Archbishop Launcelot Goody and appointed to serve at St Mary's Cathedral as an assistant priest.

[3] On 12 December 2001, Pope John Paul II announced Sproxton would be appointed auxiliary bishop of the Archdiocese of Perth.

He was ordained a bishop of 21 February 2002 at St Mary's Cathedral, Perth by Archbishop Barry Hickey.