Ruki

Ruki may refer to:
 * Ruki sound law, a phonological law in some Indo-European branches
 * Ruki, Iran, a village in Razavi Khorasan Province, Iran
 * Ruki River, a tributary of the Congo River in the Democratic Republic of the Congo
 * Loki dialect or Ruki, a language spoken in the Democratic Republic of the Congo

In popular culture
 * Ruki, vocalist from the Japanese rock band The Gazette
 * Rika Nonaka, a Digimon Tamers character
 * Ruki, a type of Neopet