The following is a partial list of notable living and deceased members of the Knights of Columbus, the world's largest Catholic family, fraternal, and service organization.
Supreme officers
Politics and public service
Judicial branch Samuel Alito, Associate Justice of the U.S. Supreme Court Timothy T. Cronin, U.S. Attorney for the Eastern District of Wisconsin Dan Flanagan, Justice of the Indiana Supreme Court George Clinton Sweeney, Chief Judge of the United States District Court for the District of Massachusetts Peter J. Phipps, Judge of the United States Court of Appeals for the Third Circuit
Executive branch Carl A. Anderson, former special assistant to the President Ronald Reagan (1983–1987) and Supreme Knight of the Knights of Columbus Martin Patrick Durkin, former U.S. Secretary of Labor Raymond Flynn, former U.S. ambassador to the Holy See and former Democratic Mayor of Boston John F. Kennedy, 35th president of the United States Manuel Lujan Jr., former U.S. Secretary of the Interior Sargent Shriver, former U.S. ambassador to France and first director of the Peace Corps John Volpe, former U.S. Secretary of Transportation and former governor of Massachusetts (1961–1963 & 1965–1969)
Legislative branch John Boehner, former Speaker of the House of Representatives Hale Boggs, former U.S. House Majority Leader Richard E. Connell, former U.S. Representative from New York Jeremiah Denton, former US senator from Alabama, naval officer and Vietnam War POW John Dingell, United States Democratic representative from Michigan Bob Dornan, pro-life advocate, actor, and former California Republican congressman Bernard J. Dwyer, former U.S. Representative from New Jersey Mike Fitzpatrick United States Republican congressman from Pennsylvania Phil Gingrey, U.S. Republican Congressman from Georgia Andrew P. Harris, U.S. Republican congressman from Maryland. Joe Heck, U.S. Republican congressman from Nevada. Henry Hyde, U.S. Republican congressman from Illinois Ted Kennedy, former United States Democratic senator from Massachusetts Jeff Landry, United States Republican congressman from Louisiana and Governor of Louisiana (2024–present) Joe Manchin, United States Senator from West Virginia Alex Mooney, former United States representative from West Virginia John McCormack, former Speaker of the U.S. House of Representatives Bruce Poliquin, United States Republican representative from Maine Edward R. Roybal, former Democratic member of the U.S. House of Representatives from California Todd Rokita Republican congressman from Indiana Rick Santorum, former Republican United States Senator for Pennsylvania John G. Schmitz, former member of the U.S. House of Representatives from Orange County, California
State governments
Governor and Lt. Governor Terry Branstad, Republican Governor of Iowa Jeb Bush, former Republican governor of Florida Felix Perez Camacho, Governor of Guam Hugh Carey, former Democratic governor of New York Paul A. Dever, former governor of Massachusetts Thomas Donovan Lieutenant Governor of Illinois, 1933–1937 John Engler, former Republican governor of Michigan T. John Lesinski, former lieutenant governor of Michigan Mike Rounds, United States senator and former Republican governor of South Dakota Al Smith, former Democratic governor of New York, Democratic nominee for president in 1928 J. Emile Verret, Lieutenant Governor of Louisiana, 1944–1948 Malcolm Wilson, former governor of New York John Bel Edwards, Governor of Louisiana
State legislators Dan Huberty, member of the Texas House of Representatives from Harris County, Texas Joe Ihm, member of the Missouri House of Representatives Alfred "Bud" Jetty, former state deputy of South Dakota Frank Mazzei, member of Pennsylvania Senate. Pat Boyd, Connecticut State Representative Paul McMurtry, Representative in the Massachusetts General Court Robert F. McPartlin, Democratic member of the Illinois House of Representatives from 1960 to 1976. William D. Mullins, member of the Massachusetts House of Representatives Dennis Paul, member of the Texas House from Harris County Joe Picozzi, member of the Pennsylvania State Senate, 5th District Thomas P. Sinnett, member of the Illinois House of Representatives from 1924 to 1938. Party Floor Leader from 1933 to 1934. Louis Tobacco, New York State Assembly Member 62nd District Carlos Truan, member of both houses of the Texas Legislature Caesar Trunzo former Republican state senator from New York. Carl M. Vogel, member of both houses of the Missouri State Legislature from Jefferson City Albert J. Lepore former member of the Rhode Island House of Representatives from North Providence
Louisiana Bo Ackal, member of the Louisiana House of Representatives for Iberia and St. Martin parishes, 1972–1996 Jeff Arnold, member of the Louisiana House of Representatives from New Orleans Armand Brinkhaus, former member of both houses of the Louisiana State Legislature from St. Landry Parish Edward S. Bopp, member of the Louisiana House from 1977 to 1984 Dennis Paul Hebert, member of the Louisiana House of Representatives, 1972–1996 Sam A. LeBlanc III, member of the Louisiana House of Representatives from 1972 to 1980 for Orleans and Jefferson parishes; resident of St. Francisville in West Feliciana Parish Samuel A. LeBlanc I, member of the Louisiana House of Representatives from 1912 to 1916; state court judge from 1920 to 1954 Gregory A. Miller, member of the Louisiana House of Representatives Ricky Templet, former Louisiana state representative Sam H. Theriot, former Louisiana state representative
Wisconsin William P. Atkinson, member of the Wisconsin State Assembly William Banach, member of the Wisconsin State Assembly Charles A. Barnard, member of the Wisconsin State Assembly Gregor J. Bock, member of the Wisconsin State Assembly Everett E. Bolle, member of the Wisconsin State Assembly John P. Dobyns, member of the Wisconsin State Assembly John L. McEwen, member of the Wisconsin State Assembly Gary R. Goyke, member of the Wisconsin State Senate Raymond F. Heinzen, member of the Wisconsin State Senate Robert T. Huber, member of the Wisconsin State Assembly David E. Hutchison, member of the Wisconsin State Assembly Henry J. Janssen, member of the Wisconsin State Assembly Eugene S. Kaufman, member of the Wisconsin State Assembly Stanley J. Lato, member of the Wisconsin State Assembly James Lynn, member of the Wisconsin State Assembly Thomas A. Manning, member of the Wisconsin State Assembly Dale McKenna, member of the Wisconsin State Senate David Mogilka, member of the Wisconsin State Assembly Richard C. Nowakowski, former member of the Wisconsin State Assembly David D. O'Malley, member of the Wisconsin State Assembly Thomas D. Ourada, member of the Wisconsin State Assembly Bruce Peloquin, member of the Wisconsin State Senate Randall J. Radtke, member of the Wisconsin State Assembly Valentine P. Rath, member of the Wisconsin State Assembly James A. Rutkowski, member of the Wisconsin State Assembly Mark Ryan, member of the Wisconsin State Assembly Thomas M. Schaus, member of the Wisconsin State Assembly Charles J. Schmidt, member of the Wisconsin State Assembly and the Wisconsin State Senate William A. Schmidt, member of the Wisconsin State Senate Edward Stack, member of the Wisconsin State Assembly William T. Sullivan, member of the Wisconsin State Assembly Lary J. Swoboda, member of the Wisconsin State Assembly Raymond J. Tobiasz, member of the Wisconsin State Assembly William W. Ward, member of the Wisconsin State Assembly Arthur L. Zimny, member of the Wisconsin State Senate
State judiciary W. Patrick Donlin, Judge of the Wisconsin Court of Appeals
Other Donald G. Bollinger, American shipbuilder and state chairman of the Louisiana Republican Party from 1986 to 1988 Etienne J. Caire, Louisiana businessman, banker, Republican candidate for governor in 1928 against Huey Long Ken Cuccinelli, former attorney general of Virginia, Republican candidate for Governor in 2013 James E. Finnegan, former attorney general of Wisconsin John W. Griffin, politician from Ohio Vincent B. Murphy, former New York state comptroller
Local government Richard J. Daley, second longest-serving mayor of Chicago Roman Denissen, former mayor of Green Bay, Wisconsin Tom Galligan, former mayor of Jeffersonville, Indiana Howard B. Gist Jr., former city attorney of Alexandria, Louisiana Dominic Olejniczak, former mayor of Green Bay, Wisconsin John F. Shelley, mayor of San Francisco, California (1964–1968)
Other politics and public service John Moran Bailey, chairman of the Democratic National Committee from 1961 to 1968 Alan Keyes, political activist, author and former diplomat Tom Pendergast, Kansas City political boss
Non-United States
Canada Leo Bernier, former cabinet minister in the Ontario provincial government François-Philippe Brais, Canadian lawyer and politician Denis Coderre, Canadian Member of Parliament Michael Copps Costello, former mayor of Calgary, Alberta Chris d'Entremont, Canadian Member of the Legislative Assembly in the Nova Scotia provincial government, former Minister of Health and Acadian Affairs Laurent Desjardins, former cabinet minister in the Manitoba provincial government Bernard Grandmaître, former cabinet minister in the Ontario provincial government James John Edmund Guerin, Canadian Member of Parliament, Mayor of Montreal Rob Nicholson, Canadian Member of Parliament, Minister of Justice and Attorney General Steven Point, Canadian Lieutenant Governor of British Columbia Pablo Rodríguez, Canadian Member of Parliament Alfred-Valère Roy, Canadian politician Andrew Scheer, former federal leader of the Conservative Party Gerry St. Germain, Canadian Senator Louis St. Laurent, former prime minister of Canada Roger Teillet, former Canadian Minister of Veterans Affairs Stephen Woodworth, Canadian Member of Parliament
Philippines Hilario Davide Jr., 20th Chief Justice of the Supreme Court of the Philippines Marcelo Fernan, 19th Chief Justice of the Supreme Court of the Philippines Gabriel A. Daza, first Filipino electrical engineer and charter member of the Boy Scouts of the Philippines (BSP). Rene Sarmiento, Commissioner of the Commission on Elections of the Republic of the Philippines Jose C. Reyes 149th Associate Justice of the Supreme Court of the Philippines Paolo Benigno “Bam” Aquino IV, Senator of the Republic of the Philippines Odellon Mabutin, President of the Philippine Judges Association of the Philippines Simeon Dumdum, Jr. Executive Judge of the Regional Trial Court of Cebu City Michael Rama, Mayor of Cebu City Philippines Gerald Anthony “Samsam” Gullas, Mayor City of Talisay, Cebu, Philippines Junard “Ahong” Chan, Congressman, Lapu-lapu, Cebu Agapito Bibat, Rear Admiral and Commander of the Philippine Coast Guard
South Korea Chang Myon, second prime minister of South Korea
The Church
Saints One bishop of Mexico and canonized in 2006 Saint Rafael Guizar Valencia, Archbishop of Jalapa (bishop) [Feast: October 24] Six priests, Mexican Martyrs, canonized in 2000 [Feast: May 21] Saint Pedro de Jesus Maldonado Lucero (priest) Saint Jose Maria Robles Hurtado (priest) Saint Rodrigo Aguilar Alemán (priest) Saint Luis Batiz Sainz (priest) Saint Mateo Correa Magallane (priest) Saint Miguel de la Mora (priest) The Order's founder, a priest, who was beatified in 2020 Blessed Michael J. McGivney (priest) [Feast: August 13] Two priests and a layman, also Mexican Martyrs, beatified in 2005 [Feast: April 25] Blessed Leonardo Pérez Larios (layman) Blessed José Trinidad Rangel Montaño (priest) Blessed Andrés Sola Molist (Claretian priest) Puerto Rican layman beatified in 2001.https://www.ewtn.com/spanish/Saints/Beatos/Charlie_Rodr%C3%ADguez_PR.htm (Spanish) Blessed Carlos Manuel Cecilio Rodríguez Santiago (layman) [Feast: May 4] A significant figure in the Catholic Church in Canada, canonized as St. André of Montreal in 2010 André Bessette, CSC [Feast: January 6]
Cardinals