Anna Quirentia Nilsson (Ystad, Suècia, 30 de març de 1888 – Sun City, Califòrnia, 11 de febrer de 1974), més coneguda com a Anna Q. Nilsson, va ser una actriu d’origen suec que desenvolupà tota la seva carrera als Estats Units. Va ser la primera actriu del seu país a aconseguir un èxit notable a Hollywood, abans de l’aparició de Greta Garbo o Ingrid Bergman.

Anna Quirentia Nilsson was a Swedish-born actress who achieved success in American silent movies. Starring in some 200 feature films. The first Swedish actress to receive a star on the Hollywood Walk of Fame. In 1905, she had earned enough for a ticket across the Atlantic. In New York she was discovered on a thriving avenue by the famous portrait painter James Carroll Beckwith and soon she was New York's highest paid model. In 1907 she was named America's most beautiful woman and became a model for the 1910s beauty ideal, The Gibson Girl Look.