Alexander McDonald (12 April 1878 – 22 October 1949) was a Scottish footballer who played as an inside-forward for various clubs in the 1900s.
McDonald was born in Greenock, Scotland, but started his professional career with Jarrow in north eastern England. From Jarrow, he joined Everton of the Football League First Division in February 1900, making his first-team debut in a 0–0 draw against Blackburn Rovers on 31 March. After a year at Goodison Park during which he made 23 appearances with six goals, McDonald moved to the south coast to join the Southern League champions, Southampton in May 1901.
He made his debut for the "Saints" in the opening match of the 1901–02 season, a 1–1 draw with New Brompton. McDonald scored in the following match, a 2–1 victory at Northampton Town and followed this with four goals in a 5–0 victory over Watford on 21 September 1901. Despite this prolific form, he was then replaced at inside-right by veteran former-England internat