MOW may refer to:
- Maintenance of way, the maintenance of railroad right of way
- Ministry of Works, a former New Zealand government department
- Mercer Oliver Wyman, now part of Oliver Wyman, a management consulting firm
- Movie of the Week, a television movie
- March on Washington, a mass political action
- Movement for the Ordination of Women, an Australian movement supporting the ordination of women in the Anglican Church of Australia
- Museum de Oude Wolden, a regional art museum in Bellingwolde in the Netherlands
- The Mobility and Public Works policy area of the Flemish Government