Iku or IKU may refer to:
Languages Iku language (ISO 639: ikv), a Plateau language of Nigeria Arhuaco language (ISO 639: arh), also known as Ikʉ, a Chibchan language of Colombia Inuktitut (ISO 639: iku), an Inuit language of Canada
Movies The Curse of Iku, a 1918 American drama film I.K.U., a 2001 Japanese erotic cyberpunk film
People Shō Iku (尚 育; 1813–1847) king of the Ryukyu Kingdom Iku (singer), a Japanese singer Iku Takenaka, (竹中郁, 1904–1982) Japanese poet Iku-Shamagan (𒄿𒆪𒀭𒊭𒈠𒃶, i-ku-Dsha-ma-gan, fl. c. 2500 BC) King of the second Mariote kingdom
Places Istanbul Kültür University (İKÜ), in Istanbul, Turkey
Other uses Iku Nagae, a character from Scarlet Weather Rhapsody in the Touhou Project series Iku-Turso (disambiguation) Irène K:son Ullberg (born 1930), Swedish painter Issyk-Kul International Airport, Kyrgyzstan (IATA: IKU) Iku, the personification of death and head of the Ajogun (malevolent deities) in the Yoruba religion Iku Suto, a character from The 100 Girlfriends Who Really, Really, Really, Really, Really Love You