| Willie Agnew | |
| Fullname: | William Barbour Agnew |
| Birth Date: | 30 December 1880 |
| Birth Place: | Kilmarnock, Scotland |
| Death Place: | Moffat, Scotland |
| Position: | Defender |
| Years1: | 1899–1902 |
| Years2: | 1902–1904 |
| Years3: | 1904–1906 |
| Years4: | 1906–1908 |
| Years5: | 1908–1910 |
| Years6: | 1910–1913 |
| Years7: | 1913–1914 |
| Clubs7: | East Stirlingshire |
| Caps1: | 22 |
| Goals1: | 0 |
| Caps2: | 43 |
| Goals2: | 0 |
| Caps4: | 56 |
| Goals4: | 10 |
| Caps5: | 28 |
| Goals5: | 0 |
| Caps6: | 38 |
| Goals6: | 5 |
| Caps7: | 16 |
| Goals7: | 4 |
| Nationalyears1: | 1907–1908 |
| Nationalteam1: | Scotland |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1907–1908 |
| Nationalteam2: | Scottish League XI |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
William Barbour Agnew (30 December 1880 – 19 August 1936)[1] was a Scottish footballer who played for local club Kilmarnock[2] and Falkirk[3] as well as English clubs Newcastle United,[4] Middlesbrough and Sunderland.[5]
Agnew, a defender born in Kilmarnock, was also capped by the Scotland national team, making three appearances between 1907 and 1908. He coached at Third Lanark after his playing career.