Sergio Abreu Bonilla (born 12 November 1945) is a Uruguayan lawyer, diplomat, politician, musician and professor of International Law of the National Party (PN).

In January 1993, he was appointed by Lacalle as Minister of Foreign Relations, a position he held until the end of the period.

In March 2000, the new president Jorge Batlle appointed Abreu as the Minister of Industry, Energy and Mining.

Abreu was elected senator for the Alianza Nacional sector, a seat he assumed in February 2005.

[9][10] In January 2011, he released the CD Kuñakarai ("lady" in the Guaraní language) with themes of folkloric style.