Сент-Джонстон
St Johnston, officially Saint Johnstown (), is a village, townland, and electoral division in County Donegal, Ireland. It is in the Laggan district of East Donegal on the left bank of the River Foyle. It is in the civil parish of Taughboyne and barony of Raphoe North, on the R236 (Lifford–Newtowncunningham) road where it overlaps the R265 (Carrigans– Raphoe) road. The village is about south of Derry.