Knight Flower (Korean: 밤에 피는 꽃) is a 2024 South Korean television series starring Lee Hanee, Lee Jong-won, Kim Sang-joong, and Lee Ki-woo. It is based on a webtoon of the same Korean title, which was launched through KakaoPage on August 14, 2023. It aired on MBC TV from January 12, to February 17, 2024, every Friday and Saturday at 21:50 (KST). It is also available for streaming on Wavve and Coupang Play in South Korea, on Kocowa in the Americas, and on Viki in selected regions.

The series received audience acclaim, with its final episode recording 18.4% in nationwide ratings and achieved a new record of being number one of any Friday–Saturday dramas in MBC history.