The Portishead Railway is a branch line railway running from Portishead in North Somerset to the main line immediately west of Bristol, England. It was constructed by the Bristol & Portishead Pier and Railway Company, but it was always operated by its main line neighbour, and was more usually thought of as the Portishead branch or the Portishead railway.

Portbury is a village and civil parish in Somerset, England, within the unitary authority of North Somerset. The parish includes the hamlet Sheepway, which is situated on moorland at the northern edge of the Gordano valley, between the Gordano services on the M5 motorway and Portishead, near the Royal Portbury Dock. The parish has a population of 827.