| First: | RU |
| Billo Rees | |
| Fullname: | William Rees |
| Birth Date: | 14 April 1899 |
| Birth Place: | Glanamman, Carmarthenshire, Wales |
| Death Date: | 1968 (aged 68) |
| Ru Club1: | Amman United RFC |
| Ru Year1start: | ≤1926 |
| Ru Year1end: | ≤26 |
| Club1: | Swinton |
| Year1start: | ≤1926 |
| Year1end: | ≥30 |
| Teama: | Wales |
| Yearastart: | 1926 |
| Yearaend: | 30 |
| Appearancesa: | 6 |
| Triesa: | 0 |
| Goalsa: | 0 |
| Fieldgoalsa: | 0 |
| Pointsa: | 0 |
| Teamb: | Great Britain |
| Yearbstart: | 1926 |
| Yearbend: | 30 |
| Appearancesb: | 11 |
| Triesb: | 2 |
| Goalsb: | 0 |
| Fieldgoalsb: | 0 |
| Pointsb: | 6 |
| New: | yes |
| Retired: | yes |
| Updated: | 21 June 2012 |
| Source: | [1] |
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, or or 7.[2]
Billo Rees was born in Glanamman, Carmarthenshire, and he died aged 68.
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]
Billo Rees played in Swinton's 15–11 victory over Wigan in the 1925 Lancashire Cup Final during the 1925–26 season at The Cliff, Broughton, Salford on Wednesday 9 December 1925 (postponed from Saturday 21 November 1925 due to fog), played in the 5–2 victory over Wigan in the 1927 Lancashire Cup Final during the 1927–28 season at Watersheddings, Oldham on Saturday 19 November 1927.
Rees was the younger brother of the rugby union footballer; Joe Rees.