Meteorological Administration, Meteorological Agency, Meteorological Service, Weather Bureau, or Weather Service may refer to:
- A meteorological service
- Meteorological Service of Canada
- Meteorological Service of Catalonia
- China Meteorological Administration, the national weather service for the People's Republic of China
- National Meteorological Center of CMA, the China Meteorological Administration in the People's Republic of China
- Finnish Meteorological Institute
- Korea Meteorological Administration, the National Meteorological service for South Korea
- Japan Meteorological Agency, the Japanese government's weather service
- Malaysian Meteorological Department
- MetService, Meteorological Service of New Zealand Limited
- Hydrometeorological Centre of Russia, founded as Meteorological Service of the Russian Soviet Federative Socialist Republic
- Meteorological Service Singapore
- Central Weather Bureau, the government meteorological research and forecasting institution of Taiwan
- National Weather Service, one of the agencies that make up the U.S. federal government's National Oceanic and Atmospheric Administration
- Air Force Weather Agency, the military meteorology center of the United States Air Force