| Alan Duffy | |
| Birth Date: | 1949 12, df=y |
| Birth Place: | Stanley, County Durham |
| Position: | Midfielder |
| Years1: | 1968–1970 |
| Years2: | 1970–1972 |
| Years3: | 1972–1973 |
| Years4: | 1973–1974 |
| Clubs1: | Newcastle United |
| Clubs2: | Brighton & Hove Albion |
| Clubs3: | Tranmere Rovers |
| Clubs4: | Darlington |
| Clubs5: | Consett |
| Caps1: | 2 |
| Caps2: | 50 |
| Caps3: | 33 |
| Caps4: | 24 |
| Goals1: | 0 |
| Goals2: | 8 |
| Goals3: | 2 |
| Goals4: | 0 |
| Totalcaps: | 109 |
| Totalgoals: | 10 |
Alan Duffy (born 20 December 1949) is an English footballer who played as a midfielder in the Football League for Newcastle United, Brighton & Hove Albion, Tranmere Rovers and Darlington.