The winning ticket was sold at New World Wairoa in Wairoa.
The prize is made up of $10m from Powerball First Division and $333,333 from Lotto First Division.
The winner is the 11th Powerball-facilitated multi-millionaire of 2023, and the win comes just weeks after a $37.125m Powerball prize was won by a couple from Paraparaumu.
A MyLotto player in Hamilton won $10.5m playing Powerball in February this year.
Two other players won $333,333 with Lotto First Division. The winning tickets were sold at Fresh Choice Geraldine in Geraldine and on MyLotto to a player from Auckland.
Meanwhile, Strike Four has rolled over and will be $400,000 on Wednesday night.
A Hamilton player won $400,000 with Lotto Strike Four in last Wednesday night’s draw. The winning ticket was sold on MyLotto.