Sergio Antonio Figueroa Apostol (born January 17, 1935) is a Filipino lawyer and politician who served as a Philippine representative in the Leyte's 2nd district from 1992 to 2001 and again from 2010 to 2016.

In 2008, Sergio Apostol was Chief Presidential Legal Counsel for Philippine President Gloria Macapagal Arroyo.

Apostol is a member of the board of Union Bank and the legal consultant of the SSS’ Social Security Commission (SSC).

[2] As Arroyo's Presidential Legal Counsel, Apostol engineered the pardon of Joseph "Erap" Estrada.

The Gloria Macapagal Arroyo government thought of an amnesty for Estrada in hope of "reconciling with the opposition" and "unifying the country.