JWH

JWH may refer to:


 * John Wesley Hardin, an American gun-fighter from the 18th century
 * John W. Henry, futures trader and owner of the Boston Red Sox
 * John Winston Howard, former Prime Minister of Australia
 * JWH-133, a medication used to prevent Alzheimer's disease
 * John W. Huffman, creator of the JWH cannabinoids
 * Jared Waerea-Hargreaves, New Zealand rugby league player for the Sydney Roosters