Sydney John Donahoo (14 April 1871 – 14 January 1946) was an Australian cricketer.

[1] Donahoo was a nephew of John Conway who was a round-arm fast bowler and managed the first Australian cricket team to tour England in 1878.

[4] After completing his education Donahoo moved to Brisbane, Queensland, to work for an insurance office.

[2] In 1897 the Brisbane district cricket competition was established and Donahoo played for South Brisbane and topped the run aggregate for the inaugural 1897–98 season with 299 runs.

[5] After his cricket career Donahoo returned to Victoria, being hospitalized in Melbourne in 1914,[6] and he died in St. Kilda in 1946 after a lengthy illness.