Sydney Tafler (31 July 1916 – 8 November 1979) was an English actor who after having started his career on stage, was best remembered for numerous appearances in films and television from the 1940s to the 1970s.

After two years at the Royal Academy of Dramatic Art, Tafler first appeared on stage in London's West End in 1936, with Sir Seymour Hicks in The Man in Dress Clothes.

His other television work included Angel Pavement, The Gentle Killers, The Infernal Machine, Focus, Dixon of Dock Green, Wodehouse Playhouse, and Hadleigh.

He appeared in many films from 1947 to 1977, including The Lavender Hill Mob, The Sea Shall Not Have Them, and Alfie, frequently being directed by his brother-in-law Lewis Gilbert.

One notable exception being the film Reach for the Sky (1956), in which he played the sympathetic prosthetics expert to Douglas Bader.