Richard E. Grant (born Richard Grant Esterhuysen; 5 May 1957) is a Swaziland-born English actor and presenter. He made his film debut as Withnail in the comedy Withnail and I (1987). Grant received critical acclaim for his role as Jack Hock in Marielle Heller's drama film Can You Ever Forgive Me? (2018), winning various awards including the Independent Spirit Award for Best Supporting Male. He also received Academy Award, BAFTA, Golden Globe, and Screen Actors Guild Award nominations for Best Supporting Actor.

Grant is also known for his roles in the feature films Warlock (1989), Henry & June (1990), Hudson Hawk (1991), Bram Stoker's Dracula (1992), The Age of Innocence (1993), The Portrait of a Lady (1996), The Little Vampire (2000), Gosford Park (2001), Penelope (2006), The Iron Lady (2011), Jackie (2016), Star Wars: The Rise of Skywalker (2019), and Saltburn (2023). He is also known for his roles in television, including Frasier (2004), Dig (2015), Game of Thrones (2016), Hang Ups (2018), A Series of Unfortunate Events (2019), and Suspect (2022).