Heretaunga may refer to:
Places Heretaunga, an alternative Māori name for the Hutt River, New Zealand Heretaunga, Upper Hutt, a suburb in the Wellington region, New Zealand Heretaunga (New Zealand electorate), a general electorate in Upper Hutt from 1954 to 1996 Heretaunga Plains, alluvial plain in the Hastings–Napier area Hastings, New Zealand, called Heretaunga in Māori A division of Ngāti Kahungunu in Hawke's Bay
Other uses Heretaunga railway station, station on the Hutt Valley Line Heretaunga Tamatea, a Māori iwi of New Zealand