Other
- KEEN, Inc., American shoe manufacturing company
- KeeN, Italian band
- Keen's, Australian food brand
- KEEN-CD, a low-power television station (channel 17) licensed to Las Vegas, Nevada, United States
- Keen Engineering, Canadian consulting engineering firm
- Keen Records, American record label
- KZSF, former call sign KEEN, a radio station licensed to San Jose, California, United States
- Dillant-Hopkins Airport, ICAO code as KEEN, near Keene, New Hampshire, United States
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