Adèle Haenel (born 11 February 1989) is a French actress. She is the recipient of several accolades, including two César Awards from seven nominations and one Lumières Award from two nominations.

Haenel began her career as a child actress, making her film debut with Les Diables (2002) at the age of 12, and quickly rose to prominence in the French entertainment industry as a teenager. She received her first César Award nomination for her performance in Water Lilies (2007), which also marked the beginning of her long professional and personal relationship with director Céline Sciamma. In 2014, Haenel received her first César Award for her supporting role in Suzanne, and in 2015 won the César Award for Best Actress for Love at First Fight. She continued to garner recognition for her performances in BPM (Beats per Minute) (2017), The Trouble with You (2018) and Portrait of a Lady on Fire (2019).