Tuk or TUK may refer to:

• Tuk, Bjelovar-Bilogora County, a village near Rovišće, Croatia
• Tuk, Primorje-Gorski Kotar County, a village near Vrbovsko, Croatia
• Tuk, Netherlands, a village in the Netherlands
• nickname for Tuktoyaktuk, a hamlet in the Northwest Territories, Canada
• Turbat International Airport (IATA: TUK)
• Turkmen language (ISO 639-2: tuk)
• Turkmenistan, UNDP country code TUK
• The genre of music played by a Tuk band, a kind of Barbadian musical ensemble
• Liev Tuk, Cambodian singer

• Tuck (disambiguation)
• Tuks (disambiguation)
• Tuk Tuk, a motorized rickshaw