Ingrid Unnur Giæver (born 29 August 1991 in Oslo) is a Norwegian actress.

Graduating from the Oslo National Academy of the Arts in 2018, she began her stage career the same year, working notably for the Rogaland Teater and the Trøndelag Teater. On television, she landed her first leading role in 2017 in the drama series Where is Thea? (Hvor er Thea?). In cinema, she appeared in the supernatural thriller Thelma (2017) and portrayed Dora in the fantasy film Three Wishes for Cinderella (Tre nøtter til Askepott, 2021). She is also featured in the cast of the Nordic series Headhunters (Hodejegerne), The Architect (Arkitekten), and Escaping Bolivia (Flukten fra Bolivia).