HU or Hu may refer to:
Hungary (Hungarian: Magyarország [ˈmɒɟɒrorsaːɡ] ( listen)) is a country in Central Europe that covers an area of 93,030 square kilometres (35,920 sq mi) in the Carpathian Basin, bordered by Slovakia to the north, Ukraine to the northeast, Austria to the northwest, Romania to the east, Serbia to the south, Croatia to the southwest, and Slovenia to the west.
Terry Ugene Bollea (, born August 11, 1953), better known by his ring name Hulk Hogan, is an American retired professional wrestler, actor, television personality, entrepreneur and musician.
Huntington's disease (HD), also known as Huntington's chorea, is an inherited disorder that results in death of brain cells.
Human overpopulation (or population overshoot) occurs when the ecological footprint of a human population in a specific geographical location exceeds the carrying capacity of the place occupied by that group.
Modern humans (Homo sapiens, ssp. Homo sapiens sapiens) are the only extant members of the subtribe Hominina, a branch of the tribe Hominini belonging to the family of great apes.
Hurricane Katrina was an extremely destructive and deadly tropical cyclone that is tied with Hurricane Harvey of 2017 as the costliest tropical cyclone on record.