Justin Kuritzkes (born May 5, 1990) is an American playwright and novelist. In 2016 his play The Sensuality Party toured the university circuit of New York state. He has been the subject of media coverage because of his activities on YouTube, such as the 2011 video "Potion Seller", which inspired parodies in publications including The New Yorker. In 2019 he released the novel Famous People. Kuritzkes wrote the screenplay for Luca Guadagnino's romantic sports-comedy Challengers. He is also adapting William S. Burroughs' 1985 novel Queer for a film directed by Guadagnino.