Dalia may refer to:
- Places
- Dalia (oil field), an offshore oil field in Angola
- Dalia, Israel, a kibbutz
- Dalia, the Latinized name for Dalsland, Sweden
- People
- Dalia (name), a given name
- Dalia Contreras (born 1983), Venezuelan taekwando practitioner
- Dalia Dorner (born 1934), former Justice of the Supreme Court of Israel
- Dalia El Behery (born 1978), Egyptian actress, model, TV presenter, and Miss Egypt 1990
- Dalia Grybauskaitė (born 1956), politician and current President of Lithuania
- Dalia Itzik (born 1952), Israeli politician
- Dale Messick (1906-2005), born Dalia Messick, creator of the comic strip Brenda Starr
- Dalia Mogahed (born 1974), American Muslim scholar and adviser to President Barack Obama
- Dalia Rabin-Pelossof (born 1950), Israeli politician
- Other uses
- Dalia (mythology), a Lithuanian goddess
- Dalia, an Indian and Pakistani broken wheat porridge