Look up koel in Wiktionary, the free dictionary.
The koel is a genus of birds.
Koel or KOEL may also refer to:
- KOEL (AM), a radio station (950 AM) licensed to Oelwein, Iowa, United States
- KOEL-FM, a radio station (92.3 FM) licensed to Oelwein, Iowa
- KKHQ-FM, a radio station (98.5 FM) licensed to Cedar Falls, Iowa, which held the call sign KOEL in 2003 and KOEL-FM from 2003 to 2020
- South Koel River, a river in Jharkhand, India, a tributary of the Brahmani River
- North Koel River, a river in Jharkhand, India, a tributary of the Son River