Sui or SUI may refer to:

Places

* Sui County, Henan, China * Sui County, Hubei in western Suizhou, Hubei in central China * Suizhou, Hubei, China, formerly Sui County * Sui, Bhiwani, Haryana, India * Sui, Rajasthan, India * Sui, Balochistan, Pakistan ** Sui gas field, near Sui, Balochistan * Switzerland (SUI is its International Olympic Committee code or FIFA country code, based on the French name suisse) * Suisun–Fairfield station, Amtrak station code SUI * State University of Iowa#Founding and early history, State University of Iowa, the legal name of the University of Iowa * Sukhumi Babushara Airport, IATA code SUI

People

* Sui (surname), a transcription of two Chinese surnames * Sui people, one of the Kam–Sui peoples, an ethnic group of China and Vietnam **Sui language spoken by the Shui * Sui dynasty, a Chinese dynasty that ruled the country in 581–618 * Sui (state), a Zhou-dynasty Chinese state

Other

* ''Sui'', meaning "years of age" in East Asian age reckoning#Chinese, Chinese age reckoning * ''Sui'' or ''mizu'', 水, meaning "Water" in Japanese, one of the elements in the five elements (Japanese philosophy), Japanese system of five elements and representing the fluid, flowing, formless things in the world * ''Sui'' (粋), an ideal in Japanese aesthetics similar to ''iki'' * ''Sui generis'', a Latin phrase meaning "of itself" * ''Sui iuris'', a Latin phrase "of one's own right" * Simplified user interface, a stylised illustration used in marketing, user onboarding and technical communication * Sonic user interface or speech user interface, similar to GUI for graphical user interface * ''Societate Ukrainian de Interlingua'', Interlingua for the Ukrainian Society for Interlingua * Urinary incontinence#Stress incontinence, Stress urinary incontinence, also known as effort incontinence * Stanford University Interim, a type of Communication channel#Channel models, channel model * Speleological Union of Ireland, the All-Ireland representative body for caving {{disambiguation, geo