Dong-kyu Kim (Korean: 김동규; born March 26, 2006), known by his stage name kyu, is a South Korean-American singer under NAISU AGENCY. He debuted on March 26, 2025 with the track “tempo.” In 2026, he released his first studio album titled BIAS.

He is most known for participating in Mnet’s 2020 reality competition series I-LAND using his birth name Daniel, where he was eliminated on the show’s final episode, finishing at 9th place.