King Charles III does.
His Royal Highness King Charles III wearing his Rotary International pin arrives at the Mey Games 2017 in Scotland on Saturday August 5, 2017.
He is an honourary member of the Rotary Club of Banchory-Ternan UK.
Are there any famous Rotarians that I may have heard about?
Few people are aware that many famous people belonged, (or still belong) to Rotary. Following is a list of some names you will recognize.
Max Cointreau   Rotary Club of Paris, France   Owner, Cointreau liquor enterprise
Raymond F. Firestone   Rotary Club of Akron, OH   Chairman and Chief Executive Officer, Firestone Tire and Rubber Co.
Joyce C. Hall   Rotary Club of Kansas City, MO   Founder of Hallmark Cards
Reijiro Hattori   Rotary Club of Tokyo Ginza, Japan   chairman, Seiko
Konosuke Matsushita   Rotary Club of Osaka, Japan   President, Matsushita Electric Co.
Dr. Charles H. Mayo   Rotary Club of Rochester, MN   Co-founder of Mayo Clinic
Toyohiko Mikimoto   Rotary Club of Tokyo, Japan   Mikimoto Pearl Co.
Heinrich Nordhoff   Rotary Club of Braunschweig, Germany   President, Volkswagen
J.C. Penney   Rotary Club of New York, NY   Founder of J.C. Penney stores
Leopoldo Pirelli   Rotary Club of Milano   President, Pirelli Tire Co. Italy
Charles R. Walgreen, Jr.   Rotary Club of Chicago, IL   Chairman of the board of the Walgreen Drug Company
Sam Walton   Rotary Club of Bentonville, AK   Founder of Wal-Mart
Roald Amundsen   Rotary Club of Oslo, Norway   First person to reach the South Pole in 1911
Neil Armstrong   Rotary Club of Wapakoneta, OH   Astronaut & first man to walk on the moon
Frank Borman   Rotary Club of Space Center, Houston, TX   U.S. astronaut
Richard E. Byrd   Rotary Club of Winchester, VA   Arctic explorer
Gordon Cooper   Rotary Club of Space Center,  Houston, TX   U.S. astronaut
Sir Edmund Hillary   Rotary Club of Auckland   New Zealand mountaineer, explorer and philanthropist and the first person to reach the top of Mt. Everest.
Charles Lindberg   Rotary Club of Edinburgh   American aviator
Thomas A. Edison   Rotary Club of Orange, NJ   Inventor
Guglielmo Marconi   Rotary Club of Bologna, Italy   Inventor of the wireless, 1909 Nobel Prize recipient for physics
Orville Wright   Rotary Club of Dayton, OH   Co-inventor of the first successful airplane
Prince Axel   Rotary Club of Copenhagen, Denmark   Prince of Denmark
Prince Bernhard   Rotary Club of Amsterdam, Netherlands   Prince of the Netherlands
HRH Prince Charles   Rotary Club of Banchory-Ternan   Prince of England
HRH Prince Phillip   Rotary Club of Edinburgh   Prince of England
Prince Rainier III   Rotary Club of Monaco   Prince of Monaco
Greve Af Rosenborg Flemming   Rotary Club of Copenhagen   Danish Count
Tsuneyoshi Takeda   Rotary Club of Tokyo-North   Japanese Royal Prince
Asgeir Asgeirsson   Rotary Club of Reykjavík, Iceland   President, Iceland
Eduard Benes   Rotary Club of Prague, Czechoslovakia   President, Czechoslovakia
Alcino Cardoso   Rotary Club of Porto-Douro   Secretary of State, Portugal
Sir Winston Churchill   Rotary Club of London   Prime Minister, England & Leader of UK during WWII
Gerald R. Ford   Rotary Club of Grand Rapids, MI   President, USA
J. William Fulbright   Rotary Club of Fayetteville, AR   U.S. Senator from Arkansas
Steingrimur Hermannsson   Rotary Club of Reykjavík   Prime Minister, Iceland
Sydney G. Holland   Rotary Club of Christchurch   Prime Minister, New Zealand
John F. Kennedy   Rotary Club of Hyannis, MA   President, USA
Leonard Mulama   Rotary Club of Kisangani   Prime Minister, Democratic Republic of the Congo
Duck Wo Nam   Rotary Club of Hanyang   Prime Minister, Korea
Choong Hoon Park   Rotary Club of Hanyang   Prime Minister, Korea
Nereu Ramos   Rotary Club of Florianópolis   President, Brasil
Franklin D. Roosevelt   Rotary Club of Albany, NY   President, USA
Woodrow Wilson   Rotary Club of Birmingham, AL   President, USA & Nobel Prize laureate in peace
Chia-kan “C. K.” Yen   Rotary Club of Taipei, Taiwan   President, Republic of China-Taiwan
Chang Soon Yoo   Rotary Club of Hanyang, South Korea   Prime Minister
Cecil B. De Mille   Rotary Club of Hollywood, CA   motion picture director
Walt Disney   Rotary Club of Palm Springs, CA   Animation filmmaker
Holly Compton   Rotary Club of St. Louis, MO   1927 Nobel Prize recipient for physics
Pope Francis   Rotary Club of Buenos Aires   Pope
Ko Hirasawa   Rotary Club of Kyoto East   Japanese anatomist and president of Kyoto University
Duke Kahanamoku   Rotary Club of Honolulu, HI   Olympic gold medalist, "Father of Surfing"
Tapio Korjus   Rotary Club of Lapua Kiviristi, Finland   1988 Olympic Gold Medal winner javelin
Jean Leclant   Rotary Club of Paris   French Egyptologist
Connie Mack   Rotary Club of Fort Myers, FL   Baseball Hall of Fame manager and team owner
Georges Octors   Rotary Club of Brussels   Belgian orchestra conductor
Emmanuel "Manny" Dapidran Pacquiao   Rotary Club of Manila, Philippines   World champion professional boxer & politician
Luciano Pavarotti   Rotary Club of Modena   Italian opera singer