Meg Elizabeth Donnelly (born July 25, 2000) is an American actress. She portrayed Ash in the Netflix comedy series Team Toon, Taylor Otto in the ABC sitcom American Housewife, and Addison in the 2018 Disney Channel Original Movie Zombies and its sequels, Zombies 2 (2020) and Zombies 3 (2022).

In March 2022, Donnelly was cast in the co-lead role of Mary Campbell in the Supernatural spinoff, The Winchesters, which was picked up to series by The CW in May 2022.