Wy or WY may refer to:
Places
- Principality of Wy, an Australian micronation
- Wyoming, US (postal abbreviation)
Other uses
- WY Records, a record label
- Oman Air, the national airline of Oman
- WebYeshiva, a website for religious study
- Wisin & Yandel, a Puerto Rican reggaeton duo
- Weyerhaeuser (NYSE symbol WY), real estate investment trust company