Single in Seoul is a 2023 South Korean romantic comedy film directed by Park Beom-soo, starring Lee Dong-wook and Im Soo-jung. The film follows Yeong-ho, who likes to be alone, and Hyeon-jin a gregarious publisher, who writes an essay about single life. It was released theatrically on November 29, 2023.

Lee Dong-wook is a South Korean actor, host, model and entertainer. He is best known for his leading roles in the television dramas My Girl (2005), Scent of a Woman (2011), The Fugitive of Joseon (2013), Hotel King (2014), Guardian: The Lonely and Great God (2016–2017), Life (2018), Hell Is Other People (2019), Tale of the Nine Tailed (2020), Bad and Crazy (2021), and Tale of the Nine Tailed 1938 (2023) in the title role. He is also the host of the talk show Strong Heart (2012–2013), boy group survival reality show Produce X 101 (2019), and his own American-style talk show Wook Talk (2019).