| Birth Date: | 1948 2, df=y |
| Birth Place: | Bridgnorth, Shropshire, England |
| Death Place: | Cardigan, Ceredigion, West Wales |
| Ru Position: | Flanker |
| Ru Clubyears: | 1972-1981 |
| Ru Proclubs: | Swansea Aberystwyth |
| Ru Clubcaps: | 259 |
| Ru Clubpoints: | (185) |
| Ru Nationalyears: | 1976 |
| Ru Nationalcaps: | 4 |
Mark Keyworth (19 February 1948 – 23 November 2014) was an English rugby union player who played for Swansea, Aberystwyth, the North Midlands county team, and the national team.[1]
Mark was educated at Ellesmere College, Shropshire for whom he played rugby. Mark also played rugby for Cirencester Agricultural College whilst completing his farming education there.