Jessica Dinnage (born 22 October 1993) is a Danish actress. She is best known for her role as Lea in Netflix’s TV series The Rain.

Jessica Dinnage studied at the Danish National School of Performing Arts (Den Danske Scenekunstskole) in Copenhagen.

Jessica Dinnage made her screen acting debut Charlotte Sieling’s film The Man in 2017. This was followed in 2018 with a main role in Gustav Möller’s 2018 film The Guilty alongside Jakob Cedergren, about a police search for a kidnapped woman. Later in 2018, she starred alongside Alba August and Lucas Lynggaard Tønnesen and Angela Bundalovic as Lea in the Netflix series The Rain, which tells the story of a group of people trying to survive six years after a deadly virus carried in the rain wiped out nearly all humans in Scandinavia.