You can help expand this article with text translated from the corresponding article in French. (December 2022) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:William Havili]]; see its history for attribution. You may also add the template {{Translated|fr|William Havili}} to the talk page. For more guidance, see Wikipedia:Translation.

William L. Havili (born 9 September 1998) is a New Zealand born Tongan rugby union player who plays as a first five-eighth for Moana Pasifika in Super Rugby and Tasman in the Bunnings NPC.^[1]

Havili made his debut for Tasman in Round 6 of the 2018 Mitre 10 Cup against Counties Manukau at Trafalgar Park, coming off the bench in a 21-19 win for the Mako. He was named in the Tasman Mako squad as a development player for the 2021 Bunnings NPC.^[2] He made his return to the side in Round 4 of the competition, coming off the bench against Waikato at Trafalgar Park. Havili signed with Moana Pasifika for the 2022 Super Rugby Pacific season.^[3] Tasman went on to make the final of the 2021 season before losing 23–20 to Waikato. He made his Super Rugby debut for Moana Pasifika against the Crusaders in Round 3 of the 2022 season.

Having became a regular starter for Moana Pasifika throughout 2022, He was called up to play test rugby for Tonga ahead of their World Cup qualifiers.

Havili was eligible for two nations, New Zealand through birth and Tonga through ancestry. He is also the brother of All Blacks player David Havili.

• William Havili at ItsRugby.co.uk