Karl Shiels (15 September 1971 – 15 July 2019) was an Irish actor of both stage and screen.

His stage roles included Henry IV, Part 1, Penelope, At Swim-Two-Birds, The Spanish Tragedy, The Duchess of Malfi, The Shadow of a Gunman and This Lime Tree Bower. His screen roles included Fair City, Peaky Blinders and Batman Begins.