KUST may stand for:

In geography: The Middle Persian name for “regions,” or “sides" of Iran.

In university: Kohat University of Science and Technology in Kohat, Khyber Pakhtunkhwa, Pakistan Komar University of Science and Technology in Sulaymaniyah, Iraq Korea University of Science and Technology, in South Korea Kunming University of Science and Technology in Kunming, Yunnan Province, China

In people: For the Belarusian painter, see Dmitry Kustanovich.

In broadcasting: KUST (FM), a radio station (88.7 FM) licensed to serve Moab, Utah, United States

In biology Saussurea costus, also known as "kuth" or "costus", a species of thistle whose roots are a source of essential oils