Benjamin Edward Meara Stiller (born November 30, 1965) is an American actor, comedian, and filmmaker. He is the son of the comedians and actors Jerry Stiller and Anne Meara. Stiller was a member of a group of comedic actors colloquially known as the Frat Pack. His films have grossed more than $2.6 billion in Canada and the United States, with an average of $79 million per film. Throughout his career, he has received various awards and honors, including an Emmy Award, multiple MTV Movie Awards, a Britannia Award and a Teen Choice Award.

While beginning his acting career, Stiller wrote several mockumentaries and was offered a variety sketch comedy series titled The Ben Stiller Show, which he produced and hosted for its 13-episode run. The series ran on MTV from 1990 to 1992, earning him a Primetime Emmy Award for Outstanding Writing for a Variety Program. He then appeared on shows such as Friends, Curb Your Enthusiasm, and Arrested Development.

Having previously acted in television, he began acting in films. He made his directorial debut with Reality Bites and continued directing films and often starring in them, such as with The Cable Guy (1996), Zoolander (2001), Tropic Thunder (2008), and The Secret Life of Walter Mitty (2013). During this time he also starred in a string of successful studio comedies including There’s Something About Mary (1998), Along Came Polly (2004), Dodgeball: A True Underdog Story (2004), Starsky & Hutch (2004), and Tower Heist (2011). Stiller is also widely known for multiple franchise films such as the Meet the Parents films (2000–2010), the Madagascar franchise (2005–2012), and the Night at the Museum trilogy (2006–2014).

He is known for his performances in independent films such as David O. Russell’s Flirting with Disaster (1996), Wes Anderson’s The Royal Tenenbaums (2001), Noah Baumbach’s’ Greenberg (2010), While We're Young (2014), and The Meyerowitz Stories (2017). In 2018 he directed the Showtime limited series Escape at Dannemora earning himself a Directors Guild of America Award and two Primetime Emmy Award nominations for Outstanding Limited Series and Outstanding Directing for a Limited Series. In 2022 he served as a director and executive producer on the Apple TV+ series Severance earning two Primetime Emmy Award nominations for Outstanding Drama Series and Outstanding Directing in a Drama Series.