Kyu or KYU can refer to:
People Kyu Blu Kelly (born 2001), American football cornerback Kyu Mogami, Japanese wrestler Kyū Sakamoto (1941–1985), Japanese singer and actor Kyū Sazanka (1914–1971), Japanese actor Yang Kyu (died 1011), Goryeo dynasty military official
Other uses Karenni language (ISO 639: kyu), Karen dialect continuum spoken in Myanmar Koyukuk Airport (IATA: KYU), airport in Koyukuk, Alaska, United States Kyū, Japanese-language term referring to one's grade or rank in an activity