Ramsar may refer to:
- Places so named:
- Ramsar, Mazandaran, city in Iran
- Ramsar, Rajasthan, village in India
- Eponyms of the Iranian city:
- Ramsar Convention, concerning wetlands, signed in Ramsar, Iran
- Ramsar site, wetland listed in accord with the Ramsar Convention
- Others
- Ramsar Palace, a palace in Ramsar, Mazandaran