Tessa Sarah Ross CBE (born 1961) is an English film producer and executive. She received the BAFTA Award for Outstanding British Contribution to Cinema. She was named one of the 100 most powerful women in the United Kingdom by Woman's Hour in 2013. She is an honorary fellow of the National Film and Television School. In the 2010 New Year Honours, she was appointed a CBE for services to broadcasting.

Ross was designated Head of Film at Channel 4 in 2000 and ran Film4 and Film4 Productions from 2002 to 2014. In 2011, she was appointed to the Board of the Royal National Theatre and became Chief Executive in 2014. She resigned in April 2015, citing concerns over the new leadership structure, but continued working with the National Theatre as a consultant.

Ross has been the executive producer of a number of notable British films, including Billy Elliot (2000), The Last King of Scotland (2006), This Is England (2006), Happy-Go-Lucky (2008), Slumdog Millionaire (2008), Hunger (2008), Four Lions (2010), 127 Hours (2010), Shame (2011), 12 Years a Slave (2013), Under the Skin (2013), Ex Machina (2015), 45 Years (2015), Room (2015), and Carol (2015). For her work producing Conclave (2024), she was nominated for the Academy Award for Best Picture & won the BAFTA Award for Best Film.

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