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

• Soviet Union's collapse
• Soviet Union's tactics in World War II
• Soviet Union top ten athletes of the year
• Soviet Union Treaty
• Soviet Union women's national rugby union team
• Soviet Union women's national volleyball team
• Soviet Union–United States relations
• Soviet-United States relations
• Soviet Unterzoegersdorf
• Soviet Volunteer Group
• Soviet war crimes
• Soviet War Crimes
• Soviet war crimes (WWII)
• Soviet war in afghanistan
• Soviet War in Afghanistan
• Soviet war in Afghanistan (1979-1989)
• Soviet War Memorial, Berlin
• Soviet War Memorials
• Soviet War Memorial (Tiergarten)
• Soviet War Memorial (Treptower Park)
• Soviet Wings
• Soviet Wings Moscow
• Soviet Wings Sport Palace
• Soviet withdrawal from Afghanistan
• Soviet women in World War II