He was 36-year-old Tane Wipa.
Police shot him dead in the Lower Hutt suburb last Thursday.
He had been holding his partner hostage with a weapon for over an hour, and was threatening to do her harm.
Acting Superintendent Nick Thom said he was given medical assistance, but died at the scene.
Several investigations are under way, including a Police Critical Incident Investigation, and the matter has been referred to the Independent Police Conduct Authority.