Mina Sundwall (born October 23, 2001) is an American actress. She is best known for portraying Penny Robinson in the 2018 Netflix television series Lost in Space. She also provided the voice and motion capture for Thrúd in the Santa Monica Studio video game God of War: Ragnarök.
In 2012, she made her first appearance on television in a season 4 episode of Celebrity Ghost Stories. She appeared in ' in 2014. In 2015, she acted in the romantic comedy-drama Maggie's Plan, the drama Freeheld, and the horror film #Horror. She played the role of Penny Robinson in the Netflix series Lost in Space, which first aired in April 2018.
In May 2022, Sundwall joined the cast of thriller podcast series Jane Anonymous, based on the novel of the same name by Laurie Faria Stolarz.