| Sandy Main | |
| Fullname: | Alexander Main |
| Birth Date: | 1873 |
| Birth Place: | West Calder, West Lothian, Scotland |
| Position: | Right half / Forward |
| Years1: | 1898–1899 |
| Clubs1: | West Calder |
| Years2: | 1899 |
| Years3: | 1899 |
| Clubs3: | West Calder |
| Years4: | 1899 |
| Caps4: | 1 |
| Goals4: | 0 |
| Years5: | 1899–1903 |
| Years6: | 1903–1904 |
| Years7: | 1904–1907 |
| Caps7: | 67 |
| Goals7: | 1 |
Alexander "Sandy" Main (born 1873) was a Scottish professional footballer and middle-distance runner. Born in West Calder, West Lothian, Main started his career with his hometown club. He later played for fellow Scottish sides Rangers, Hibernian and Motherwell, as well as English clubs Woolwich Arsenal and Watford. He spent most of his career as a forward, but played predominantly as a right half at Watford.
Main scored two goals in Arsenal's biggest ever win, a 12–0 Football League victory against Loughborough on 12 March 1900.