|Date of birth||6 November 1911|
|Place of birth||Garstang, Lancashire, England|
|Date of death||1994 (aged 82–83)|
|Playing position||Wing half|
|* Senior club appearances and goals counted for the domestic league only
Born in Garstang, Lancashire, Whiteside played as a junior for Woodplumpton Juniors before joining Blackburn in 1932. His career was interrupted by World War II and during this conflict he was a member of the Blackburn side which lost the 1940 Football League War Cup Final. Guesting for Liverpool during World War II, Whiteside returned to Blackburn after the war before moving to Wigan Athletic in 1949. He played over 400 times in all competitions for Blackburn. He spent one season at Wigan, appearing 24 times in the league without scoring.
- "Arnold Whiteside". Neil Brown. Retrieved 15 May 2012.
- "Arnold Whiteside". Archived from the original on 4 November 2013. Retrieved 15 May 2012.
- "Blackburn Rovers | Club | History | Through The Years | Through The Years | 1935 - 1944: Relegation and promotion". Rovers.co.uk. Archived from the original on 16 July 2011. Retrieved 2011-07-02.
- "Arnold Whiteside". www.11v11.com. Retrieved 15 May 2012.
- Hayes, Dean (1996). The Latics: The Official History of Wigan Athletic F.C. Harefield: Yore Publications. ISBN 1-874427-91-7.