Abby Kohn is an American screenwriter and director. She's best known for writing popular romantic comedy films, including Never Been Kissed, He's Just Not That Into You, Valentine's Day, and How to Be Single. She also co-wrote the romantic drama film The Vow. She also co-created the short-lived series Opposite Sex in 2000. Kohn's first co-writing and directing feature film was the 2018 comedy, I Feel Pretty, starring Amy Schumer and Michelle Williams. Kohn and her frequent collaborator, Marc Silverstein, met in the MFA program at the USC School of Cinematic Arts. According to the Box Office Mojo website, their films have grossed over $900 million.