Mati Ahven (born 3 February 1943, in Rannu, Generalbezirk Estland) is an engineer and mechanic who was a member of the Supreme Council of the Republic of Estonia and a voter for the Estonian restoration of Independence.
He graduated from Põltsamaa Secondary School in 1961 and the Faculty of Mechanization of Agriculture at the Estonian University of Life Sciences in 1969.
In 1989, he was elected a member of the city council of Põltsamaa.
From 1990 to 1992, he was a member of the Supreme Council of the Republic of Estonia, being a member of the Social Affairs Committee; He also participated in the work of the Land Use Group.
On August 20, 1991, he voted for the restoration of Estonia's independence.