Jacqueline Denise de Quattro (born 28 June 1960) is a Swiss-Italian politician, lawyer, and former judoka.

In 1992, after moving to La Tour-de-Peilz with her family, de Quattro was employed by the library of the Federal Supreme Court of Switzerland.

De Quattro obtained her lawyer's license in 2000 and founded a law firm with three partners.

[2] In 2005, de Quattro was appointed by Fulvio Pelli to rebuild the Free Democratic Party of Switzerland's strategy.

De Quattro was elected to the municipal council of La Tour-de-Peilz in 2006 and headed the Security and Culture dicastery.

[1][4] In 2007, she was elected to the Council of State of Vaud and was appointed the head of the Department of Security and Environment.