WOR or Wor may refer to:
- WOR (AM), a radio station (710 AM) licensed to New York, New York, United States
- WEPN-FM, a radio station (98.7 FM) licensed to New York, New York, United States, which used the call sign WOR-FM from 1948 to October 1972
- WWOR-TV, a television station (channel 9) licensed to Secaucus, New Jersey, United States, which used the call sign WOR-TV from 1949 to April 1987
- Wake-on-Ring, in computer network terminology
- Worthington Industries' stock ticker symbol
- Wor, a traditional song and dance genre practiced on Biak
- Water-to-oil ratio, in oil drilling
- World Ocean Review Ocean and climate report from 2010