TWH or twh could refer to:

• Tai Dón language, a language of Vietnam, Laos, and China

• Tai Wo Hau station, Hong Kong; MTR station code

• Tennessee Walking Horse, a breed of horse

• Toronto Western Hospital, a hospital in Toronto, Canada

• Tung Wah Hospital, a hospital in Sheung Wan, Hong Kong

• Terawatt-hour (TWh), a measure of electrical energy, 1012 watt-hours

• The White House, the official residence and principal workplace of the president of the United States

• TWH Collectibles, a diecast scale model vehicle manufacturer.