National Party or Nationalist Party can refer to several political parties, including:
- Australia - National Party of Australia
- Bangladesh - Bangladesh National Party
- Canada - National Party (defunct)
- China - the Kuomintang
- Grenada - New National Party
- Honduras - National Party
- Jamaica - People's National Party
- Lesotho - Basotho National Party
- Malta - Nationalist Party
- New Zealand - New Zealand National Party
- Seychelles - Seychelles National Party
- South Africa - National Party, now New National Party
- South Korea - Grand National Party
- Spain - EAJ/PNV (Basque National Party)
- Sri Lanka - United National Party
- Surname - National Party of Suriname
- United Kingdom - British National Party, Cornish Nationalist Party, Scottish National Party
- Uruguay - National Party