Wazihwei Nature Reserve () is a nature reserve in Bali District, New Taipei, Taiwan. It is home to egrets, mudskippers, and fiddler crabs.
The area was declared as a nature reserve by the Council of Agriculture on 10 January 1994 in order to prevent further damaging to the ecosystem due to the water pollution from Tamsui River.
The nature reserve is located at the tidal area of Tamsui River bank. It consists of mangrove, mudflats and swamp.