Rein Järlik (né Ullo Järlik (until 1937); born 8 October 1935, Tartu) is a former Estonian politician and television journalist. He was a presenter at Eesti Televisioon and one of the leaders of the Singing Revolution. Järlik graduated from the University of Tartu in 1959 as a physicist, then he taught physics at Puhja Gymnasium for 6 years. Along with Feliks Undusk and Hagi Šein, Järlik produced (1988), an important reflection of the democratization, freedom of expression and of the Singing Revolution in Estonia. As a journalist, he has used the pseudonym Madis Udu.