Alexander or Alex Walker may refer to:
Alex Walker (born 18 February 1984 in Sydney, Australia) is a rugby union hooker or prop for Esher in the Aviva Championship.
Although Walker started playing in his native Australia and has represented the Australia national under-21 rugby union team, he is qualified to play for England.
Walker joined the Newcastle Falcons in the Summer of 2009 from Saracens.
His father Roger Walker is a former IFBB Mr. Universe. He won that title in 1976.
Alexander Walker (born 25 April 1984 in Bellshill) is a Scottish professional footballer currently without a club.
He plays mainly as a defender, although he can also play in midfield.
Walker has previously played for Rangers and Greenock Morton, as well as having loan spells at Clyde and Brechin City.
He began his career at Rangers, where he made 2 appearances. Walker made his senior league début in a 1–0 win over Motherwell at Fir Park, coming off the bench to replace Hamed Namouchi.
He had a six-month loan spell at Clyde in which he made his Bully Wee début in a 1–0 victory at Broadwood Stadium against Ross County. During this time, Walker won the SFL young player of the month award for September 2004.
After his short term deal at Broadwood,alex went to Sweden for a couple of months but decided to come back home. he joined Morton in July 2005.
Walker made his Morton début in a 3–2 (AET) Challenge Cup win over Gretna, in which assistant boss at Morton, Derek Collins, and later-to-be team-mate Ryan McGuffie played for the opposition. His senior league debut was the following week against Raith Rovers, in which Morton triumphed 2–0 in front of 3,222 fans.