Taxus Baccata

Northwestern Province or Northwest Province or North-Western Province may refer to:

• Northwest Region, Cameroon, Northwest Region since 2008
• North-West Frontier Province (1901–55), Pakistan, Khyber Pakhtunkhwa since 2010
• North West (South African province), established 1994
• North Western Province, Sri Lanka, also known as Wayamba
• North-Western Province, Zambia
• North Western Province (Victoria), an electorate of the Victorian Legislative Council (Australia) from 1856 to 2006
• Northwest Province (IMCRA region), an Australian marine biogeographic province
• North-Western Provinces, an administrative region in British India which existed in one form or another from 1836 until 1902