Look up donor in Wiktionary, the free dictionary.
A donor is an individual or organization that donates something.
Donor may also refer to:
- Donor (fairy tale), a literary stock character
- Donor (horse) (foaled 1944), an American Thoroughbred racehorse
- Donor (semiconductors), a dopant atom in semiconductor design
- "Donor" (The Outer Limits), a television episode