| Louis Dyke | |
| Birth Name: | Louis Meredith Dyke |
| Birth Date: | 1888 |
| Birth Place: | Cardiff, Wales |
| Death Date: | 12 July 1961 |
| Death Place: | Llandough, Wales |
| Position: | Centre |
| Amatteam1: | Penarth RFC |
| Amatteam2: | Cardiff RFC |
| Amatteam3: | London Welsh RFC |
| Amatteam4: | Barbarian F.C. |
| Repteam1: | Wales |
| Repyears1: | 1910 - 1911 |
| Repcaps1: | 4 |
| Reppoints1: | 7 |
| Occupation: | shipping clerk |
| Relatives: | John Dyke, brother |
| University: | Christ College, Brecon |
Louis Meredith Dyke (1888 - 12 July 1961)[1] was a Welsh rugby union player who won four international caps at centre for Wales between 1910 and 1911. At club level he played for several clubs, most notably Cardiff and London Welsh.