Iliamna can refer to:
Places in the United States
- Iliamna, Alaska, a census-designated place
- Iliamna Bay on the Kenai Peninsula, Alaska
- Iliamna Lake in Alaska
- Iliamna River in Alaska
- Iliamna Volcano in Alaska
- Iliamna Airport in Iliamna, Alaska.
Other uses
- Iliamna (plant), a genus of mallow
See also
- Lilamna, an extinct genus of sharks