Power 99 may refer to:
- Power 99 FM Radio 99 Islamabad
- Power 99 FM Radio 99 Abbottabad
- Power 99 FM Radio 99 Vehari
- WUSL FM 98.9 Philadelphia
- KUJ FM 99.1 Kennewick, Washington
- KZGU FM 99.5 Saipan
- WRKW FM 99.1 Ebensburg, Pennsylvania
- CFMM-FM 99.1 Prince Albert, Saskatchewan
- WAPW FM 99.7 Atlanta, now WWWQ-FM, Q100
- KCPX FM 98.7 Salt Lake City, now KBEE-FM, B98.7