WH, W.H., or wh may refer to:

• Mr. W.H., a mysterious dedication in Shakespeare's sonnets
• Whitney Houston (1963-2012), American singer

• wh (digraph), in when, etc.
  • Voiceless labio-velar approximant, the sound used for the above when it is pronounced differently from w
  • Pronunciation of English ⟨wh⟩
• wh-word, a name for an interrogative word such as where and when
• wh-movement, a syntactic phenomenon involving such words
• wh-question, a question formed using such words

• County Westmeath, Ireland, vehicle registration code
• The White House, United States, official residence and workplace of the president of the United States, also a metonym for the president and/or his/her/their office

• Watt-hour, a unit of energy
• China Northwest Airlines, IATA airline code
• Wardlaw-Hartridge School, W-H
• Wyndham Hotels & Resorts, NYSE stock symbol
• WH Group, Chinese meat and food processing company