Boyfriend (Korean: 보이프렌드) is a South Korean boy band formed by Starship Entertainment in 2011. They are the first boy group to have twin members. The group consists of Kim Dong-hyun, Shim Hyun-seong, Lee Jeong-min, Jo Young-min, Jo Kwang-min and No Min-woo. They debuted on Mnet's M Countdown on May 26, 2011, with "Boyfriend".

On May 17, 2019, Starship Entertainment announced that Boyfriend disbanded. They reformed on April 30, 2021, and returned with the digital single "Ending Credit" on May 26 for their 10-year anniversary. On December 29, 2021, Boyfriend made a comeback under the new name "BF" and released the EP Adonis. BF celebrated their 11th year anniversary by releasing a fan song "Canvas" on May 26, 2022.