María Inés Patricia Elizabeth Pilatti Vergara (born 2 August 1958) is an Argentine politician, currently serving as a National Senator for Chaco Province since 2013.

[1] As a provincial deputy, Pilatti Vergara was one of the most prominent opponents of then-Vice Governor of Chaco, Miguel Pibernus, who was forced to resign and arrested in 2001 on embezzlement charges.

[3][4] At the 2009 legislative elections, Pilatti Vergara was elected to the Argentine Chamber of Deputies in the Chaco Merece Más ("Chaco Deserves More"; the provincial name of the Front for Victory) list; she was sworn in as National Deputy on 10 December 2009, and served until the expiration of her term on 10 December 2013.

[8][9] She was re-elected for a second six-year term in 2019 as the second candidate in the Frente de Todos list in Chaco.

[1] In a 2020 interview, Pilatti Vergara stated that it was her son who convinced her to vote in favor of the legalization of abortion.