Nikos Triantafyllidis (1966–2016) was a Greek artist, director and film producer.

He was born in Chicago, United States, on September 9, 1966, the son of satirical artist Vasilis Triantafyllidis (Harry Klynn) and Chariklia Makri, who was a dancer.

He studied sociology and communication at Panteion University of Athens and continued his studies at the International Film School in London between 1990 and 1992.

His first short film was the short documentary Momus: Amongst Women Only, which was filmed as part of his internship during the third trimester of his studies in London. His graduation film Dogs Licking My Heart, starring jazz musician Blaine Reininger and Panagiotis Thanasoulis, won the First Prize for Fiction at the 7th Drama Greek Short Film Festival in 1993. The film was also screened at international festivals.

In the same year, in 1993, he directed the black-and-white super 8 mm video clip for the song "You Don't Fit Anywhere" by the band Trypes. He also directed a short souvenir from the Trypes concert at the Marquee club in London.

In 1995, he completed his first feature film for Radio Moscow.In 1996, Nikos Triantafyllidis filmed the TV movie The Overcoat for ET2, a free adaptation of the short story of the same name by Nikolai Gogol by himself and Evgenia Lyroudia. Nikos Triantafyllidis announced his return behind the camera as a director with the film The Sentimentalists. The film belongs to the film noir category, began shooting in 2012, was presented incompletely (as a work in progress) in 2013 and was first screened in its entirety in the main program (competition section) of the 36th Moscow International Film Festival in June 2014, to finally be screened in Greek theaters in October of the same year. He died on June 7, 2016 from cancer