Vivianne Amelia Blanlot Soza (born October 22, 1956, in La Serena, Chile) is a Chilean economist and politician.

Between 1980 and 1990 she served as an economist in charge of the evaluation of investments and programs in the area of energy, mining, water and road infrastructure in the Inter-American Development Bank (IDB).

In 2000 she took over as executive secretary of the National Energy Commission (CNE), serving until 2003, after differences of opinion with the minister, Jorge Rodríguez Grossi.

In 2005 she joined the board of BancoEstado and worked as a consultant in the areas of energy and environment for telecommunications company IGT.

In 2012 she joined the board of Colbún, a Chilean power generation and trading company.