The Green Party of New Brunswick (Français: Parti Vert du Nouveau Brunswick) was formed in November 2008 to run in provincial elections. It is a registered Green political party in New Brunswick, Canada. A founding convention was held on November 15, 2008, in Moncton where the membership adopted a constitution, and a charter of principles to guide the development of policies and platforms. A 12-member Executive Committee was elected.
On September 19, 2009, Jack MacDougall was acclaimed as the first nominated leader of the party. A seasoned community and political organizer, MacDougall is best known for his successful campaign to raise the money to purchase and renovate Saint John's renowned Imperial Theatre. He is a licensed teacher in New Brunswick. He stepped down in September 2011. Greta Doucet is serving as interim leader until the leadership convention in the fall of 2012. David Coon succeeded Doucet as leader.