Louisa Jacobson Gummer (born June 12, 1991) is an American model with IMG Models in New York. She has shot campaigns for Dior, and appeared in Vanity Fair and Glamour.
Gummer was born in Los Angeles, California, on June 12, 1991, to actress Meryl Streep and sculptor Don Gummer. She is the younger sister of musician Henry Gummer and actresses Mamie Gummer and Grace Gummer. She attended Poly Prep Country Day School and graduated from Vassar College in 2013 majoring in Psychology.
Gummer is of Swiss-German, German-English-Irish through her mother's side, and Norwegian-German through her father's side.