Uku

Uku or UKU may refer to:
 * Ukko or Uku, god of sky, weather, crops (harvest) and other natural things in Estonian and Finnish mythology
 * Uku (given name), Estonian masculine given name
 * Uku, the First Beloved Man of a pre-nation Cherokee tribe
 * UK Ultraspeed, proposed magnetic-levitation train line between London and Glasgow
 * Uku (fish), a fish

Places

 * Uku, Angola, town in Angola
 * Uku, Nagasaki, town in Kitamatsuura District, Nagasaki, Japan
 * Uku, Nepal, village development committee in Darchula District, Mahakali Zone, Nepal
 * Uku, Estonia, village in Kadrina Parish, Lääne-Viru County, Estonia