| Country: | England |
| Coordinates: | 53.6902°N -2.1748°W |
| Official Name: | Britannia |
| Shire District: | Rossendale |
| Shire County: | Lancashire |
| Region: | North West England |
| Constituency Westminster: | Rossendale and Darwen |
| Post Town: | BACUP |
| Postcode District: | OL13 |
| Postcode Area: | OL |
| Dial Code: | 01706 |
| Os Grid Reference: | SD885215 |
| Static Image Name: | Travellers Rest, Rochdale Road, Britannia - geograph.org.uk - 518131.jpg |
| Static Image Caption: | Former public house at Britannia |
| Pushpin Map: | United Kingdom Borough of Rossendale |
| Pushpin Map Caption: | Location within Rossendale |
Britannia is a suburb of Bacup in the Rossendale borough of Lancashire, England. It lies on the course of two major roads and has a school and a nature reserve.[1] Rochdale is to the south. Inchfield Moor in West Yorkshire is to the east.
Britannia railway station was on the former Rochdale to Bacup Line. Britannia Quarries was a source of employment.