| State: | WI |
| Type: | WI 1927 |
| Route: | 63 |
| Established: | 1917 |
| Deleted: | 1934 |
| Direction A: | South |
| Terminus A: | in Merrill |
| Direction B: | North |
| Terminus B: | in Eagle River--> |
| Previous Type: | WI |
| Previous Route: | 62 |
| Next Type: | WI |
| Next Route: | 64 |
State Trunk Highway 63 (often called Highway 63, STH-63 or WIS 63) was a state highway running between Merrill and Eagle River.[1] The highway is now part of WIS 17.[2]