Estelito "Titong" Patdu Mendoza (born January 5, 1930) is a Filipino lawyer who served as Solicitor General of the Philippines from 1972 to 1986.

Mendoza's father retired as Chief of the Craftsman Division, Bureau of Public Schools, and his mother as Home Economics Supervisor of Bulacan and Bataan.

He also served as counsel of Ferdinand Marcos Sr., his wife Imelda, and cronies Lucio Tan, Roberto Ongpin, and Danding Cojuangco in various cases for sequestered wealth.

[12] Before the Supreme Court, Mendoza successfully defended former president Gloria Macapagal Arroyo in her case for plunder in the Philippine Charity Sweepstakes Office fund scam.

[14] Mendoza also secured before the Supreme Court a bail grant for plunder defendant former senator Juan Ponce Enrile who was implicated in the multi-billion-peso pork barrel scam of Janet Lim-Napoles.

[15] In the anti-graft court Sandiganbayan, Mendoza got Senator Bong Revilla acquitted of plunder who was implicated in the same pork barrel scam.

[17] Mendoza also won as lawyer of the municipalities in League of Cities of the Philippines v. COMELEC involving the constitutionality of 16 cityhood bills.