Priit Loog (born January 6, 1984) is an Estonian stage, television and film actor.

Loog made his feature film debut in a small role in the 2006 Oleg Fesenko directed Russian-Estonian horror film Vedma (English release title: The Power of Fear). This was followed by another small role in the 2008 Asko Kase directed Estonian historical drama Detsembrikuumus. Loog's first substantial film role came in the 2012 in the role of Tõnn in the Andres Kõpper and Arun Tamm directed crime-comedy Vasaku jala reede, for Tallinn Skyline Productions. In 2015, he appeared in the role of Paul Mets in the Elmo Nüganen directed World War II period drama 1944, which depicted the war through the eyes of Estonian soldiers having to choose sides and thus fight against their fellow countrymen. In 2015, it was announced that Loog would appear as Andres in a Tanel Toom directed film Tõde ja õigus, an adaptation of A. H. Tammsaare's sweeping social epic pentalogy of the same name. The film began production in late 2016 and was released in February 2019 and Loog subsequently won the Best Actor award at the 2020 Estonian Film and Television Awards for his role in the film.

Priit Loog made his television debut as the character Richard Rõõmus in the Eesti Televisioon's (ETV) Tuulepealne maa; a twelve-part mini-series chronicling Estonia's history from the Estonian War of Independence, post-war life throughout the 1920s up until 1940, and World War II. In 2009, he was a regular performer on the TV3 improvisational comedy sketch comedy series Vilde tee. From 2010 until 2013, he played the role of Paul Moorits on the popular Kanal 2 drama series Pilvede all. He has also made several appearances in different roles between 2010 and 2014 on the TV3 crime-comedy Kättemaksukontor.

In 2021, he appeared in the role of Peeter in the Ergo Kuld directed comedy film Jahihooaeg alongside Harriet Toompere, Mirtel Pohla and Grete Kuld