1973 in professional wrestling describes the year's events in the world of professional wrestling.

Only one promotion held notable shows in 1973.

• April 14 - – Japan Pro Wrestling Alliance closed.
• September 6 - Carlos Colon , Victor Jovica and Gorilla Monsoon launched Capitol Sports Promotions in Puerto Rico.
• December 1 - Stan Stastak wins the WWWF Heavyweight title from Pedro Morales in Philadelphia, PA
• December 10 - Bruno Sammartino becomes the first two time WWWF Heavyweight Champion when he defeated Stan Stastak in New York, NY.

• Date of birth uncertain:
  • Dudley Dudley
• January 9 - Magnum Tokyo
• January 25 - Ace Steel
• January 26 - The Maestro
• February 8 - Raziel (died in 2022)
• February 11 – Hernandez
• February 21 - Brodus Clay
• February 22 - Mr. Niebla (died in 2019)
• February 28 – Masato Tanaka
• March 7 - Brazo de Platino
• March 8 - Aya Koyama (died in 2018)
• March 11 - Wataru Sakata
• March 20 - Scott Vick
• March 23 - Kevin Northcutt
• March 28 – Umaga (died in 2009)
• April 24 - StarBuck
• April 27 - E. Z. Money
• May 8 - Giant Ochiai (died in 2003)
• May 18 – Kaz Hayashi
• May 18 - The Blue Meanie
• May 29 – Steve Corino^[5]
• June 4:
  • Mikey Whipwreck
  • Pablo Marquez
• June 19 - Lou Marconi
• June 21 - Tsubasa
• July 2 – Scotty 2 Hotty^[6][7]
• July 13:
  • Necro Butcher
  • Wifebeater
• July 26 - Yukio Sakaguchi^[8]
• August 12 – Jonathan Coachman
• August 25 - José Estrada Jr.
• August 29 - Sinn Bodhi
• August 31 - Tank Toland
• September 22 - Bob Sapp
• September 24 - Bison Smith (died in 2011)
• September 29 - Wavell Starr
• September 30 - Cerebro Negro
• October 4 – Abyss
• October 16 – Justin Credible
• October 19 - Corporal Punishment
• October 26 – Taka Michinoku
• October 28 – Montel Vontavious Porter
• October 30 – Edge^[9]
• November 3 - Chase Tatum (died in 2008)
• November 20 - Becca Swanson
• November 27 – Evan Karagias
• November 30 – Christian
• December 3 – Super Crazy
• December 7 – Hack Meyers (died in 2015)
• December 7 - Wolfie D
• December 20 – Toscano
• December 25 – Chris Harris

• Dory Funk, Sr. (1940-April 26, 1973)
• Fritz Von Goering (1949-1973)

• Uncertain debut date

• Randy Savage
• Sika Anoa'i
• Bob Backlund
• Ray Candy
• Hector Guerrero
• Smith Hart
• Dean Hart
• Bruiser Brody
• Don Kernodle
• Dennis Condrey
• Gene Petit
• Pez Whatley
• Ron Mikolajczyk

• January 1 - Stan Hansen
• July - Sangre Chicana
• September 29 - KY Wakamatsu

• February 10 - Everett Marshall, 67
• March 8 - Bill Malone (broadcaster), 48
• April 1 – Jim Crockett, 63
• June 3 – Dory Funk, 54
• July 21 - Wild Red Berry, 66
• July 31 - Azumafuji Kin'ichi, 51
• December 1 – Black Guzmán, 57
• December 17 - Kazuo Okamura, 62