Adolfo Millabur Ñancuil (born 30 August 1966 in Tirúa, Arauco) is a Mapuche politician in Chile.

Millabur was raised in a family of eight brothers in El Malo, Biobío Region, located 35 kilometers from Tirúa.

He stated that he would wake up at 5 AM every morning to walk 30 kilometers to school each day.

[2] Millabur participated in the formation of the Lafkenche Territorial Identity organization, a group dedicated defending Mapuche autonomy and the recovery and preservation of the nation's traditional lands.

[3][4] In 2021, Millabur resigned as Mayor of Tirúa to run to represent the Mapuche in one of the seven seats reserved for the nation on the Constitutional Convention.