Milena (밀레나; born Jung Say on June 23, 1995) is a South Korean singer-songwriter and producer under wavy (a record label and entertainment agency founded by Colde). She made her debut as a soloist on November 4, 2021 with the digital single "Night Train". In August 2022, Milena graduated from Seoul National University with a major in Musicology. This is also an incorrect tag for Bulgarian singer-songwriter Милена.