Hannah Lucy Onslow (born 1 April 1998) is an English actress.

[1][2] Onslow made her television debut in a 2020 episode of the BBC One series Call the Midwife.

The following year, she played Elise in the drama Ridley Road, also on BBC One.

[3] In 2022, Onslow made her feature film debut as Janine in Sam Mendes' Empire of Light with Micheal Ward and Olivia Colman,[4][5][6] and played patient Erika van Hegen in the BBC One medical drama This Is Going to Hurt.

[7] In 2023, Onslow appeared in the 2023 drama film Unicorns as Emma[8] and had a recurring role portraying Pre-Raphaelite model Lizzie Siddal in the Paramount+ series The Doll Factory.