Dawn-Euphemia is a township in southwestern Ontario, Canada, in Lambton County. Residents primarily are employed by the agricultural industry, or by local industries such as Union Gas distribution centre, along with various smaller agricultural manufacturers or service providers. The township municipal office is located in Rutherford.
Major transportation routes include Cairo Road and Oil Heritage Road directed North-South and Bentpath Line and Lambton Line running East-West. One elementary school serves the area, Dawn-Euphemia School. Students attend secondary school in nearby Petrolia and Dresden, both of which serve as local service centres for residents.
The township comprises the communities of Aberfeldy, Aughrim, Beaver Meadow, Bentpath, Cairo, Cuthbert, Dawn, Dawn Valley, Edys Mills, Florence, Garville, Huffs Corners, Lambton, Langbank, Oakdale, Rutherford and Shetland.