[1] William John Holding (first ¼ 1907[2] – November 1986) was an English professional rugby league footballer who played in the 1920s, 1930s and 1940s.

[3] Billy Holding played fullback, and scored four goals 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, due to a broken leg he missed the 1935–36 Challenge Cup Final during the 1935–36 season.

[3] Billy Holding played, and scored three goals 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 played, and scored two goals 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.

[3] Billy Holding's Testimonial match at Warrington took place in 1938, and raised £121 5s 1d, (based on increases in average earnings, this would be approximately £18,530 in 2013).

[3] Billy Holding's marriage to Annie (née Dixon) was registered during first ¼ 1933 in Cockermouth district.