William Dingsdale (1905 – 14 September 1965) was an English rugby league player who played in the 1920s, 1930s and 1940s.

[5] Billy Dingsdale played at centre and scored a try in Warrington's 17-21 defeat by Huddersfield in the 1933 Challenge Cup Final during the 1932–33 season at Wembley Stadium, London on Saturday 6 May 1933, and in the 2-18 defeat by Leeds in the 1936 Challenge Cup Final during the 1935–36 season at Wembley Stadium, London on Saturday 18 April 1936.

Billy Dingsdale played in Warrington's victory in the Lancashire League during the 1937–38 season.

Billy Dingsdale played in Warrington's 15-2 victory over Salford in the 1929 Lancashire Cup Final during the 1929–30 season at Central Park, Wigan on Saturday 23 November 1929, and he played in the 10-9 victory over St. Helens in the 1932 Lancashire Cup Final during the 1932–33 season at Central Park, Wigan on Saturday 19 November 1932, but he did not play in the 8-4 victory over Barrow in the 1937 Lancashire Cup Final during the 1937–38 season at Central Park, Wigan on Saturday 23 October 1937, in front of a crowd of 12,000.

During January 1929, within a fortnight, Billy Dingsdale twice scored 4-tries in matches against Bradford Northern, firstly in a 35-7 victory at Bradford Northern, and then in a 65-0 win at Wilderspool Stadium, during the 1928–29 season he also equalled Warrington's "Most Tries In A Season" record with 28-tries, subsequently extended by Steve Ray to 33-tries, and then by Brian Bevan to 48, 57, 60, and lastly to 66-tries.