Sean Gallagher (born 1967 in Luton) is a British actor. From 1992 he has appeared in many television series and films.

In 2006 he played the part of Chip in the second new series of Doctor Who opposite David Tennant in the episode "New Earth". In late summer 2006 Gallagher signed up to Coronation Street to play the part of Paul Connor, one of two brothers buying a share in Underworld, the local knicker factory.

In June 2007, Gallagher left the ITV soap to pursue other projects.