Louise Blachère (born 28 July 1989) is a French actress.
She gained public recognition in 2007 by playing one of the lead roles in Céline Sciamma's film Water Lilies (Naissance des pieuvres), in which she portrayed the character of Anne. Her performance earned her a nomination for the César Award for Most Promising Actress in 2008.
She continued her career in television and film. She notably appeared in television series such as SODA, in which she played the recurring role of Stéphanie from 2011 to 2015, as well as Les Grands (2016–2019). In cinema, she acted in feature films like Big Girl (Grande Fille, 2014) and Anima corpora (2014), and participated in various short films.
