| Johnswell | |
| Native Name: | Irish: Tobar Eoin |
| Native Name Lang: | ga |
| Settlement Type: | Village |
| Pushpin Map: | Ireland |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Ireland |
| Subdivision Type: | Country |
| Subdivision Name: | Ireland |
| Subdivision Type1: | Province |
| Subdivision Name1: | Leinster |
| Subdivision Type3: | County |
| Subdivision Name3: | County Kilkenny |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Utc Offset1: | +0 |
| Timezone1 Dst: | IST (WEST) |
| Utc Offset1 Dst: | -1 |
| Coordinates: | 52.7032°N -7.17°W |
| Blank Name: | Irish Grid Reference |
Johnswell [1] is a village in County Kilkenny, Ireland.
On the village green is a powerful spring and well dedicated to John the Baptist which was traditionally the venue for a local "pattern" (religious fair) of note, while the moat north of the village was the site of St John's Eve bonfires.
Maureen Hegarty (1 September 1921 – 14 January 2016), who was a local historian and president of the Kilkenny Archaeological Society, grew up there.