| Billy Haydock | |
| Fullname: | William Edward Haydock |
| Birth Date: | 1936 1, df=y |
| Birth Place: | Salford, England |
| Position: | Winger |
| Youthclubs1: | Buxton |
| Years1: | 19??–1959 |
| Clubs1: | Buxton |
| Years2: | 1959–1961 |
| Clubs2: | Manchester City |
| Caps2: | 3 |
| Goals2: | 1 |
| Years3: | 1961–1964 |
| Clubs3: | Crewe Alexandra |
| Caps3: | 142 |
| Goals3: | 30 |
| Years4: | 1964–1965 |
| Clubs4: | Grimsby Town |
| Caps4: | 21 |
| Goals4: | 4 |
| Years5: | 1965–1971 |
| Clubs5: | Stockport County |
| Caps5: | 261 |
| Goals5: | 3 |
| Years6: | 1971 |
| Clubs6: | Port Elizabeth City |
| Years7: | 1971–1972 |
| Clubs7: | Southport |
| Caps7: | 7 |
| Goals7: | 0 |
| Totalcaps: | 434 |
| Totalgoals: | 38 |
| Manageryears1: | 1972–1974 |
| Managerclubs1: | Macclesfield Town (player/manager) |
| Manageryears2: | 1987–1988 |
| Managerclubs2: | Cork City (assistant) |
William Edward Haydock (born 19 January 1936) is an English former footballer who played as a winger in the Football League for Manchester City, Crewe Alexandra, Grimsby Town, Stockport County and Southport. He managed Macclesfield Town from the start of the 1972 – 73 season until January 1974.[1]