Francis Gerald "Boy Blue" Aguinaldo Abaya (born September 15, 1975) is a Filipino politician and architect who served as the Representative of Cavite's 1st district from 2013 to 2022.

[4] Before his political career, Abaya worked in the field of architecture serving as the Resident Architect of various construction and real estate companies.

The seat was vacant since October 2012 due to the resignation of his brother, Joseph Emilio Abaya, to serve as Transportation Secretary.

[5] He also authored and filed a bill that would reinstate the mandatory Reserve Officers' Training Corps in all colleges and universities.

[9] He was among the 12 members of the opposition Liberal Party that joined the “Super Majority Coalition” of the House of Representatives dominated by allies of President Rodrigo Duterte.