WHEM may refer to:
- WHEM (FM), a radio station (91.3 FM) licensed to Eau Claire, Wisconsin, United States
- The Western Hemisphere, a geographical term for the half of the Earth that lies west of the Prime Meridian.
WHEM is a Christian radio station licensed to Eau Claire, Wisconsin, broadcasting on 91.3 MHz FM. The station is owned by Fourth Dimension, Inc.