Llanbrynmair railway station was a railway station on the Newtown and Machynlleth Railway (N&MR) in Mid-Wales, serving the village of Llanbrynmair.
After leaving , the N&MR crossed the River Severn and passed the Cambrian Mountains through Talerddig cutting, junctioning with the Mawddwy Railway at . It then proceeded to .
Llanbrynmair shut under the Beeching Axe in 1965, although the station building itself remains today as a private house.
After a fatality in October 1999, the adjacent level crossing was closed and the road was diverted. On 21 October 2024 two trains collided near the site of the former station, resulting in one fatality and 15 injuries.