Joseph M. Kyrillos Jr. (born April 12, 1960) is an American Republican Party politician and businessman from New Jersey.

Kyrillos served in the New Jersey State Senate from 1992 to 2018, where he represented the 13th Legislative District, and in the General Assembly from 1988 to 1992.

He served as a close advisor to former Florida Governor Jeb Bush in the 2016 Republican Party presidential primaries.

His maternal grandfather worked as a tool and die maker at Thomas Edison's factory in West Orange.

[1] After graduating from college, Kyrillos worked for Vice President George Bush during the 1984 Reagan-Bush campaign.

[8] Kyrillos has served on the Executive Committee of the National Conference of State Legislatures and as a trustee of the American Council of Young Political Leaders.

[2] Kyrillos was first elected to the New Jersey General Assembly in 1987, together with his incumbent running mate Joann H. Smith, with both candidates receiving more than $25,000 each in campaign funding from the $1.1 million spent by the New Jersey Republican State Committee to support candidates statewide.

In 1992, Kyrillos ran for the United States House of Representatives but was defeated by incumbent Democrat Frank Pallone in a competitive race, falling short by about 10 points.

Kyrillos has served on the boards of the American Council of Young Political Leaders, National Conference of State Legislatures Foundation, Bayshore Senior Day Center, Count Basie Theatre, Garden State Arts Center Foundation, Monmouth County Historical Association, New Jersey Historical Society, Prevention First, Rainbow Foundation, and the Two River Theatre Company.