[1] Lambino is married to Marilyn de Guzman, and has three children: Mark Ronald, Mary Rhauline, and Meryllainne Rhacquel.
Lambino earned a Bachelor of Arts in Political Science, cum laude, from the University of Pangasinan in 1981.
He obtained his Bachelor of Laws degree, valedictorian and cum laude also from the University of Pangasinan in 1986.
He has also been a senior partner at Gavero Lambino Almadro Villanueva Law Firm from 1995 to 2000.
[2] Lambino has been a Consultant and Coordinator for the Philippine House of Representatives contingent to the Commission on Appointments.