Menardo Ilasco Guevarra (born May 23,[citation needed] 1954)[1] is a Filipino lawyer serving as Solicitor General of the Philippines since 2022 under President Bongbong Marcos.

Before joining the government, he was involved in private litigation practice as a founding partner of the Medialdea Ata Bello Guevarra & Suarez law firm since 1990.

[2][7] He also underwent an intensive practical training in Maritime and Admiralty law at the Steamship Mutual Underwriting Association (Bermuda) Limited in London, U.K. in 1999.

[2] Guevarra's work as a private lawyer for more than thirty years involved thousands of cases concerning contract disputes, family and property relations, intra-corporate controversies, tax appeals, criminal actions, and legal representation in various regulatory agencies.

[9] While teaching at the Ateneo Law School, he was also a lecturer in the Mandatory Continuing Legal Education (MCLE) program of the Supreme Court of the Philippines.

[3] Guevarra returned to government service in September 2010 when he was appointed by President Benigno Aquino III to the five-member Philippine Truth Commission formed to investigate the alleged corruption scandals of the previous Gloria Macapagal Arroyo administration.

On June 30, 2016, upon the assumption of Rodrigo Duterte as President of the Philippines, Guevarra returned to the deputy executive secretary portfolio under his former law partner Salvador Medialdea.

[14][15] On October 29, 2018, Leila De Lima filed with Ombudsman Samuel Martires complaints against Vitaliano Aguirre II and Guevarra for violation of section 10(f) of RA 6981, the "Witness Protection, Security and Benefit Act."