Helene Ruth Paula Ritchie (née Hess; born 16 March 1945) is a former local body politician, registered psychologist and mediator, and a board member from Wellington, New Zealand. As Wellington's longest serving City Councillor of over 30 years, she lead the Labour team to a majority position on the Council. Later, she was the first female deputy mayor and chaired the Wellington Airport Authority and its successor for eight years. Ritchie served on a range of public sector boards ranging from health, mental health, arts, museums, the natural environment, airports and councils.