Loukianos Kilaidonis (July 15, 1943 – February 7, 2017) was a Greek composer, lyricist and performer.

He was born in Kypseli (Athens) on July 15, 1943, originally from Kefalonia. He studied at the Leonteio Lykeio Patision and then Architecture at the Aristotle University of Thessaloniki, as well as at the National Technical University (Athens), without ever practicing the profession. He was married to actress Anna Vagena, with whom he had two daughters. In 1999, the two created a music scene, "Metaxourgeio", in which they appeared for a number of years. He passed away on February 7, 2017 at the age of 74 from heart failure.