Keynsham (pronounced "Keen-sham"), is a town in the district of Bath and North East Somerset, England, and traditionally in the county of Somerset. The town is said to be named for Saint Keyna.
The remains of a Romanvilla lie on the outskirts of the town. An important industry in the town is the chocolate factory of Fry's (now Cadbury's).
The town featured as the title of an album by the Bonzo Dog Band.