| 542 East State Street | |
| Native Name: | William Wall House |
| Location: | Savannah, Georgia, U.S. |
| Address: | 542 East State Street |
| Coordinates: | 32.0766°N -81.0855°W |
| Completion Date: | c. |
| Floor Count: | 2 |
542 East State Street, also known as the William Wall House, is a historic building in Savannah, Georgia, United States. It is located in the northeastern tything of Greene Square and was built (although a plaque on its front states it was the home of Joseph Ryan in 1791).[1] [2] It is part of the Savannah Historic District.[2] It was originally built for William and Charlotte Wall, leaders in the Second African Baptist Church.[3]