Thea Green Lundberg (born April 28, 1993 in Risør) is a Norwegian actress.

After studying dramatic arts and communications, she began her career in short films and then moved to television. In 2017 she gained recognition playing the role of Frida Engø in the second season of the political thriller Occupied (Okkupert).

Wider fame came with the role of investigative journalist Line Wisting, one of the main characters in the crime series Wisting (2019 – present). Her television filmography also includes an appearance in the series Livstid (2020).