Gus Michael Bilirakis (born February 8, 1963) is the U.S. Representative for Florida's 9th congressional district, serving since 2007. He is a member of the Republican Party. He previously served in the Florida House of Representatives.

Bilirakis grew up in Tarpon Springs, Florida, as the grandson of Greek immigrants. His grandfather owned a local bakery where Bilirakis worked from a young age. He attended Tampa Bay area public schools and continued to work in his grandfather's bakery while growing up.

Bilirakis graduated from Tarpon Springs High School and St. Petersburg Junior College. He then attended the University of Florida, where he graduated in 1986 with a bachelor's degree in political science. He received his law degree from the Stetson University College of Law in 1989.

Bilirakis has a Tampa Bay area law practice, the Bilirakis Law Group, specializing in probate and estate planning, which he took over from his father. While his father Michael Bilirakis was a Member of Congress from 1983–2007, Gus helped run his campaigns.