7W or 7-W may refer to:
Units of measurement 7°W, or 7th meridian west, a longitude coordinate 7 watts 7 weeks 7 wins, abbreviated in a Win–loss record (pitching)
Transportation 7W, IATA code for Wind Rose Aviation Ford 7W a passenger car built in the UK in the 1930s Spartan 7W Executive, a model of Spartan Executive aircraft
See also W7 (disambiguation)