Timothy Simon Roth (born May 14, 1961) is an English actor and producer. He began acting on films and television series in the 1980s. He was among a group of prominent British actors of the era, the "Brit Pack".

He made his television debut in Made in Britain (1982), and theatrical film debut in The Hit (1984), for which he was nominated for the BAFTA Award for Most Promising Newcomer. Since then, he gained more attention for his roles in films, including The Cook, the Thief, His Wife & Her Lover, (1989), Vincent & Theo (1990), and Rosencrantz & Guildenstern Are Dead (1990). Roth collaborated with Quentin Tarantino on several films, such as Reservoir Dogs (1992), Pulp Fiction (1994), Four Rooms (1995), and The Hateful Eight (2015). For his performance in Rob Roy (1995), Roth won the BAFTA Award for Best Actor in a Supporting Role, and was nominated for a Golden Globe Award for Best Supporting Actor – Motion Picture and the Academy Award for Best Supporting Actor.

Roth made his directorial debut with the film The War Zone (1999). He played Cal Lightman in the Fox series Lie to Me (2009–2011) and Jim Worth / Jack Devlin in the Sky Atlantic series Tin Star (2017–2020). Roth also portrayed Emil Blonsky / Abomination in the Marvel Cinematic Universe film The Incredible Hulk (2008), reprising the role in Shang-Chi and the Legend of the Ten Rings (2021) and the Disney+ series She-Hulk: Attorney at Law (2022).