Ain Lutsepp (born May 6, 1954) is an Estonian actor and politician.

Born in Tallinn, Ain Lutsepp began his career as a child actor at age thirteen as the character Tõnisson in the 1969 Arvo Kruusement directed Estonian language film Kevade (English: Spring); a film adaptation of author Oskar Luts' popular 1913 novel of the same name.

In 1972, he graduated for the Tallinn 10th Secondary School (now, the Tallinn Nõmme Gymnasium) and in 1980 he graduated from the Tallinn State Conservatory's Performing Arts Department (present-day Estonian Academy of Music and Theatre) under course instructor Merle Karusoo. Graduating classmates included actors Roman Baskin, Guido Kangur, Arvo Kukumägi, Paul Poom, Anne Veesaar, and Ülle Kaljuste.

Айн Лутсепп родился в городе Таллин, Эстонская ССР, СССР. В 1980 году окончил актёрский факультет Таллинской государственной консерватории (преподователь курса - Мерле Карусоо). С 1980 года - актёр Эстонского драматического театра в Таллине. С 2008 - председатель Эстонского союза театральных деятелей.