Joseph Quinn (born 26 January 1994) is a British actor. After graduating from drama school, Quinn began his acting career on stage and television, earning roles in the BBC One series Dickensian (2016), Howards End (2017), and Les Misérables(2018), and the Sky Atlantic series Catherine the Great (2019). His breakthrough role came as Eddie Munson in the fourth season of the Netflix series Stranger Things (2022).

In film, Quinn gained further recognition for starring in the science fiction horror film A Quiet Place: Day One (2024) as well as for portraying Emperor Geta in the historical action film Gladiator II (2024) and Johnny Storm / Human Torch in the Marvel Cinematic Universe film The Fantastic Four: First Steps (2025) and Avengers: Doomsday (2026). He also portrayed an American Navy SEAL in Alex Garland's Warfare (2025).