The Minister of Health, formerly styled Minister of Public Health, is a minister in the New Zealand Government with responsibility for the New Zealand Ministry of Health and Te Whatu Ora—Health New Zealand.

Ministers in the New Zealand Government are members of Parliament (MPs) who hold ministerial warrants from the Crown to perform certain functions of government. This includes formulating and implementing policies and advising the governor-general. Ministers collectively make up the executive branch of the New Zealand state. The governor-general is obliged to follow the advice of the prime minister on the appointment and dismissal of ministers.