LHH

LHH or lhh may refer to:


 * Lawyers Have Heart, an annual Washington D.C. fundraising event for the American Heart Association
 * Lenox Hill Hospital, Manhattan, New York City
 * LHH, a talent acquisition and job recruitment subsidiary of Adecco Group North America
 * lhh, ISO 639-3 code for the Laha language, Ambon Island, Indonesia