Siku

Siku may refer to:


 * Siku (instrument), a kind of pan flute from the Andes
 * Siku (Bolivia), a mountain in the Bolivian Andes
 * Siku Toys, a German brand of toy vehicles
 * Siku (comics), an artist
 * Siku (polar bear), a bear cub who became an overnight online sensation
 * Siku Quanshu, a compendium of Chinese literature completed in 1782
 * Secoo, Chinese online retailer
 * Siku Allooloo, indigenous writer
 * Siku Ya Bibi (Day of the Lady)
 * Siku Njema, a Swahili novel