Executive director of the Office of Ethnic Communities, Anusha Guler, said the list is yet another indication of Aotearoa New Zealand's thriving diversity.
"This is good news, as diversity in our communities helps make New Zealand a more culturally rich, innovative and connected place."
Registrar-general Jeff Montgomery said the emergence of names such as Singh, Kaur and Patel reflected both immigration and religious affiliation trends.
"Most new citizens come from the United Kingdom and India, with a significant number from Sikh backgrounds where Singh is the chosen family name for boys and Kaur for girls."
Most common surname by region:
• Northland - Smith
• Auckland - Singh
• Bay of Plenty - Singh
• Waikato - Smith
• Gisborne - Allen, Brown, Kemp, Williams
• Taranaki - Smith
• Hawke's Bay - Singh
• Manawatu-Whanganui - Anderson
• Wellington - Patel
• Nelson - Marshall, Taylor, Smith, Stewart, Thompson
• West Coast - Smith
• Canterbury - Smith
• Otago - Smith
• Southland - Wilson