Rachel Anne Sennott (, SE-nit; born September 19, 1995) is an American actress, screenwriter and comedian. After training at the New York University Tisch School of the Arts and the Stella Adler Studio of Acting, she began her career on the New York City open mic scene and co-developed two Comedy Central shows with Ayo Edebiri. Sennott gained critical attention for her breakout role in Shiva Baby (2020), which earned her a Gotham Award nomination for Breakthrough Actor. She followed this with film roles in the comedy Bodies Bodies Bodies (2022) and the drama I Used to Be Funny (2023). She co-wrote and starred in the satirical teen comedy Bottoms (2023). For the film, Sennott and director Emma Seligman earned a nomination for the Independent Spirit Award for Best Screenplay. In 2024, she portrayed Rosie Shuster in the biographical comedy Saturday Night. On television, she had a supporting role in the HBO drama series The Idol (2023) and leads the HBO comedy series I Love LA (2025–present), the latter of which she also wrote and produced. She also co-created the Netflix crime comedy series Big Mistakes (2026) with Dan Levy.