Whanganui, also spelled "Wanganui", is a city in the Manawatu-Wanganui Region of New Zealand.
Whanganui or Wanganui may also refer to:
Places in New Zealand Whanganui (New Zealand electorate), formerly spelled Wanganui Whanganui District, a district, Manawatu-Wanganui Region Whanganui Island, Waikato Region Whanganui National Park, Manawatu-Wanganui Region Whanganui River, Manawatu-Wanganui Region Whanganui A Hei (Cathedral Cove) Marine Reserve, Coromandel Wanganui and Rangitikei, a past electorate Wanganui River, South Island Te Whanganui a Tara or Wellington Harbour
Other Wanganui, a code name for a method of marking bombing targets by RAF Bomber Command during WWII