Malcolm Sinclair (born June 5 1950)is a British stage and television actor. He is perhaps best known for his role as 'Assistant Chief Constable Freddy Fisher' in the television series Pie in the Sky (1994-1997), although he has an extensive number of film, television and theatre roles to his credit.

A former student of the Old Vic Theatre School in Bristol, Sinclair has performed with theatre companies such as the Royal National Theatre and Royal Shakespeare Company. He has performed widely, both in Britain and internationally, in roles that have included Shakespeare (Hamlet, Malvolio), Oscar Wilde, George Bernard Shaw, Ibsen and Noel Coward. In 2001 he won the Clarence Derwent Award for his role as Gavin Ryng-Maine in the Royal National Theatre's production of House/Garden. He was also nominated for an Olivier Award as best supporting actor for his performance as Major Miles Flack in Privates On Parade.

He was nominated for a 2002 Laurence Olivier Theatre Award for Best Actor in a Supporting Role of 2001 for his performance in Privates on Parade at the Donmar Warehouse in London.