The 2015 Queen's Birthday Honours in New Zealand, celebrating the official birthday of Queen Elizabeth II, were appointments made by the Queen in her right as Queen of New Zealand, on the advice of the New Zealand government, to various orders and honours to reward and highlight good works by New Zealanders. They were announced on 1 June 2015.

Sir Peter David Gluckman is a New Zealand scientist. Originally trained as a paediatrician, he served as the inaugural Chief Science Advisor to the New Zealand Prime Minister from 2009 to 2018. He is a founding member and was inaugural chair of the International Network for Government Science Advice, and is president of the International Science Council.