Kevin Grant Hague (born 18 March 1960) has been the chief executive of Forest & Bird, an independent New Zealand conservation organisation, since October 2016.
He is also a former New Zealand member of parliament representing the Green Party who was first elected to parliament in 2008.
As of 2016 Hague was the Green Party spokesperson for Health (including Accident Compensation Corporation and Sport & recreation), conservation, and Rainbow Issues.Prior to his election to Parliament, Hague was the Chief Executive of the West Coast District Health Board.
Hague is also an author, a long time gay rights activist and a former executive director of the New Zealand AIDS Foundation.