Penn Badgley is married to Domino Kirke. They began dating in 2014 and were married in a New York courthouse on February 27, 2017, followed by a larger wedding celebration later that year

. Domino Kirke is a singer and doula, and she has a son from a previous relationship, making Penn the stepfather. Together, they have a son born in 2020, and in 2025 they announced they are expecting twin boys