William "Billo" Rees (14 April 1899 – 1968) was a Welsh rugby union, and professional rugby league footballer who played in the 1920s and 1930s. He played club level rugby union (RU) for Amman United RFC, and representative level rugby league (RL) for Great Britain and Wales, and at club level for Swinton, as a stand-off, or scrum-half or 7.[2]
Billo Rees won 6 caps for Wales (RL) in 1926–1930 while at Swinton, and won caps for Great Britain (RL) while at Swinton in 1926 against New Zealand, in 1927 against New Zealand, in 1928 against Australia (3 matches), New Zealand (3 matches), in 1929 against Australia (2 matches), in 1930 against Australia.[1]