Clark Backo is a Canadian actress. She is most noted for her recurring role as Rosie, Wayne's love interest, in the television series Letterkenny,^[1] and her starring role as Emma in the AppleTV+ television series The Changeling (2023).^[2]

She has also appeared in the television series Remedy, Shoot the Messenger, 21 Thunder, Designated Survivor, Wynonna Earp, Supernatural and The Handmaid's Tale, and in the film Happy Place.^[3] She was an ACTRA Award nominee for Outstanding Performance (Female) at the ACTRA Toronto awards in 2021 for Happy Place.^[4]

In 2022, she co-starred in the Amazon feature film I Want You Back, alongside Charlie Day, Jenny Slate, Gina Rodriguez, Scott Eastwood and Manny Jacinto.

She is the daughter of musician Njacko Backo. In a 2020 interview she noted, "I am an all-around storyteller, originally inspired by my Cameroonian Pops’ persistent storytelling both through his music and the countless children’s tales he creates and acts out.^[5]