St Anthony's Lighthouse is a lighthouse on St Anthony Head on the eastern coast of the entrance to the harbour of Falmouth, Cornwall.
The lighthouse was built in 1835 by Olver of Falmouth. The light originally came from eight Argand oil lamps. The light source was changed to pressure vapour and later to electricity when electricity was connected in 1954. Today the light is automated, flashing every 15 seconds, with a red sector for The Manacles rocks and a range of 22 miles. The fog horn blasts once every 30 seconds.
When the fog bell was dismantled in 1954 which hung from the gallery at the front of the tower it was donated to a local church but, after many years of sitting on the church front lawn, was taken away to be melted down.
St. Anthony's lighthouse featured in the opening credits for the Fraggle Rock TV show. Nearby St. Mawes also featured in some scenes from the programme.