Mónica Fernanda Macha (born 17 February 1972) is an Argentine politician, currently serving as National Deputy representing Buenos Aires Province.

A member of New Encounter, Macha was elected in 2017 for the Unidad Ciudadana coalition, and currently sits in the Frente de Todos bloc.

[3] In the 2013 legislative election, Macha ran for a seat in the Senate of Buenos Aires Province in the First Electoral Section, as part of the Front for Victory list.

[5] Macha ran for a seat in the Argentine Chamber of Deputies in the 2017 legislative election; she was the seventh candidate in the Unidad Ciudadana list in Buenos Aires Province.

[8] Ahead of the 2021 primary elections, she was confirmed as one of the Frente de Todos candidates for re-election in Buenos Aires Province.