| Duncan Harrigan | |
| Fullname: | Duncan Harrigan |
| Birth Date: | 1921 6, df=y |
| Birth Place: | Paisley, Renfrewshire, Scotland |
| Death Place: | Paisley, Renfrewshire, Scotland |
| Position: | Centre forward |
| Youthyears1: | 1945–1946 |
| Youthclubs1: | St Mirren |
| Years1: | 1946–1948 |
| Years2: | 1948 |
| Years3: | 1948–1949 |
| Clubs1: | Crewe Alexandra |
| Clubs2: | Aston Villa |
| Clubs3: | Chester |
| Clubs4: | Colwyn Bay |
| Caps1: | 57 |
| Caps2: | 0 |
| Caps3: | 20 |
| Goals1: | 23 |
| Goals2: | 0 |
| Goals3: | 4 |
| Totalcaps: | 77 |
| Totalgoals: | 27 |
Duncan Harrigan (26 June 1921 – 16 February 2005) was a Scottish footballer who played as a centre forward in the Football League for Crewe Alexandra and Chester.