Hoohoo, Hoo Hoo or Hoo-Hoo may refer to:
Alexandria Hoo Hoos, a baseball team in Alexandria, Louisiana Orange Hoo–Hoos, a baseball team in Orange, Texas Concatenated Order of Hoo-Hoo, a fraternal and service organization Hoo-Hoo Monument, in Gurdon, Arkansas Hoohoo, West Virginia, an unincorporated community Hoo-Hoo Archives, alias of buZ blurr