Brianna Fruean (born 18 May 1998) is an activist and environmental advocate for Samoa; She sits on the Council of Elders for the Pacific Climate Warriors and is a Champion for a Fossil Fuel Non-Proliferation Treaty.

Born in Auckland, New Zealand, she became one of the founding members of 350 Samoa, and leader of environmental group Future Rush at age 11.

In 2011 in the UN Small Island Developing State conference in Apia, Samoa as an ILO youth representative and a part of the Young Women Christian Association.

She is the first recipient under the SPREP Youth Ambassador programme that will further develop and strengthen the voice of young people in the Pacific on the key issues of the environment and climate change.

[7] Brianna was a keynote speaker at the Berlin Energy Transition Dialogue 2021 on 16 March 2021 alongside other notable world leaders.