Kaljo Kiisk (3 December 1925 – 20 September 2007) was an Estonian actor, film director and politician.
He was best known for his roles as Kristjan Lible from Spring (Estonian: Kevade), Summer (Suvi) and Autumn (Sügis), film adaptations of Oskar Luts' novels, and as Johannes Saarepera from ETV's long-running Õnne 13.
His career spanned over half a century from 1953 to 2007.