Gerd Grieg, née Egede-Nissen (21 April 1895 – 1988) was a Norwegian actress.
She was born in Bergen. Her parents were Georga ("Goggi") Wilhelma Ellertsen (1871-1959) and politician Adam Egede-Nissen (1868-1954). Her siblings Aud Egede-Nissen, Ada Kramm, Stig Egede-Nissen, Lill Egede-Nissen and Gøril Havrevold became an actors as well. Gerd made her acting début at the Nationaltheatret in 1910.
She was married to writer Nordahl Grieg. During the German occupation of Norway the two were active in the Norwegian resistance movement. Gerd Grieg mostly stayed in the United States and the United Kingdom, "entertaining Norwegian seamen like a Norwegian Vera Lynn". Nordahl Grieg died in 1943. Gerd retired in 1955.