Nell Tiger Free is an English actress. She is perhaps best known for her role as Myrcella Baratheon in seasons 5 and 6 of the television series Game of Thrones, replacing Aimee Richardson. She has also played as Chloe Crumb in the film version of Mr. Stink, Anna in the film Broken, Janey Carter in Amazon Prime's Too Old To Die Young, and Leanne Grayson in the Apple TV+ series Servant.

Free was born in Kingston upon Thames, London. Her father works in recruitment and her mother is a yoga teacher. She was educated at Teddington School. She began acting while attending Saturday drama class.

Nell is the niece of artist Joe Fenton.