Hiroo

Hiroo may refer to:

People

 * Hiroo (given name), a masculine Japanese given name

Places

 * Hiroo, Shibuya, Tokyo, a neighborhood in the Shibuya district of Tokyo
 * Hiroo Station, a subway station in Tokyo.
 * Hiroo, Hokkaidō, a town in the Tokachi subprefecture of Hokkaidō
 * Hiroo District, Hokkaidō, a district in Tokachi Subprefecture of Hokkaidō
 * Mount Hiroo, a mountain in the Hidaka Mountains of Hokkaidō