Larry Phillip (Phil) Fontaine (born September 20, 1944) is an Aboriginal Canadian leader. He is the current National Chief of the Assembly of First Nations.

Fontaine was born at the Sagkeeng Anicinabe Nation on the Fort Alexander Reserve. This reserve is located roughly 150 kilometers north of Winnipeg, Manitoba. His first language is Ojibway. In his youth he attended a residential school operated by the Oblates of Mary Immaculate at Sagkeeng. He also attended the Assiniboia Residential School in Winnipeg and he graduated from Powerview Collegiate in 1961.

In 1981 Fontaine graduated from the University of Manitoba with a Bachelor of Arts degree with a major in Political Studies. In 1996 he received a National Aboriginal Achievement Award in recognition of his work in public service.