Simeoni Sundja (born October 19, 1989) is an Estonian actor. He graduated from the Jakob Westholm Gymnasium in 2009 and the performing arts school of the Estonian Academy of Music and Theater in 2014. From 2014 to 2018, he worked as an actor at Theater NO99. he played Juss in the 2019 film "Truth and Right". His brother is singer Ewert Sundja.