Onuma

Onuma, Ōnuma or Oonuma may refer to:


 * Onuma (surname), Japanese surname
 * Ōnuma District, district of Fukushima Prefecture, Japan
 * Ōnuma Station, train station in Hokkaido Prefecture, Japan
 * Ōnuma Quasi-National Park, national park in Hokkaido Prefecture, Japan, with a famous pond also called Ōnuma

People with the given name

 * Onuma Sittirak (born 1986), Thai volleyball player