| Official Name: | Bäckaby |
| Settlement Type: | village |
| Pushpin Map: | Sweden |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: |  Sweden |
| Subdivision Type1: | Province |
| Subdivision Name1: | Småland |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Jönköping |
| Population Total: | 232 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEDT |
| Coordinates: | 57.2678°N 14.9258°W |
Bäckaby is a small village south of Vetlanda in the southern Swedish province of Småland. Bäckaby has a stone church, a kindergarten, a summer café and a small hostel called Plymska Huset. Bäckaby's old church was a wooden church which was moved to Jönköping in 1902. Its oldest parts were from the 14th century. The church was burnt to the ground in 2000.