HML

HML may refer to:
 * Hml (trigraph), used in Hmong
 * Hard Mobile Launcher, a nuclear-hardened transporter erector launcher
 * Hard money loan, a loan service used for real estate investors to flip homes
 * Hemel Hempstead railway station, England, station code
 * Hennessy–Milner logic, in computer science
 * Hialeah-Miami Lakes High School in Florida, US
 * Hindustan Motors, an Indian automotive manufacturer
 * Horus-Maat Lodge, a Thelemic magical order
 * Human Media Lab, in Kingston, Ontario, Canada
 * Luopohe Hmong language, spoken in China