Ragnhild Nygaard (born July 24, 1944) is a Norwegian actress.
She is known for her roles as Queen Krystalis in the television series Brødrene Dal og spectralsteinene and as Tupsy Larang in the crime miniseries Solospill with Helmer & Sigurdson.
Nygaard was trained as an actor in the United States and was employed at the Norwegian Theater from 1969 to 1977. Since 1977 she has acted as a freelancer, and she has appeared in several productions on NRK's Radio Theater and Television Theater.
Nygaard headed the Norwegian Actors' Equity Association from 1980 to 1991.