Dan Fredenburgh is a British actor and screenwriter known for The Bourne Ultimatum (2007), Love Actually (2003) and the role of John Knightley in the BBC's adaptation of Emma (2009).

Since graduating from The Arts Educational School, he has worked in film, theatre and television for more than 20 years.

As a screenwriter, Fredenburgh has written a number of feature and TV projects. Notably, the film Broken Lines., starring Paul Bettany, Doraly Rosa and Olivia Williams, which was selected for the Venice Film Festival and London Film Festival and nominated for the FIPRESCI Critics' Prize. He currently has a number of projects in development.