Sydney Noël Lemmon (born August 10, 1990) is an American actress.

[2][3] She has appeared in the HBO series Succession.

Lemmon earned a Saturn Award nomination for her role as Isabelle in season 5 of Fear the Walking Dead.

She received a BFA from Boston University in 2012 and an MFA from Yale University in 2017, where she was the recipient of the Julie Harris Scholarship.

[4] Throughout 2023 and 2024, Lemmon performed in the Broadway play Job written by Max Wolf Friedlich.