Zui or ZUI may refer to:

1. Places

2. Friulian name of Zuglio, in Udine province, Friuli-Venezia Giulia, Italy

3. Zui, a chiefdom of Hispaniola

4. Acronyms

5. Zooming user interface

6. Other

7. Zui, a 2001 album by Showtaro Morikubo

8. KidZui, a web browser designed for children

9. ZUI, military and amateur radio short hand for "I wish to draw your attention to ..."