- Jul 4 Jan Magnussen, Danish racing driver, born in Roskilde, Denmark
- Jul 4 Justin Ring, CFL linebacker (Hamilton Tiger Cats), born in Kamloops, Canada
- Jul 4 Keiko Ihara, Japanese racing driver, born in Tokyo, Japan
- Jul 4 Michael Johnson, English-born Jamaican footballer, born in St. Louis, Missouri
- Jul 5 Marcus Allbäck, Swedish soccer striker (74 caps; Örgryte IS, Heerenveen, Aston Villa, FC Copenhagen), born in Gothenburg, Sweden
- Jul 7 Kārlis Skrastiņš, Latvian ice hockey player, born in Riga, Latvia (d. 2011)
- Jul 7 Matt Mantei, American baseball player, born in Tampa, Florida
- Jul 9 Katasha Artis, WNBA forward (Charlotte Sting) ans collegiate coach, born in New York City
- Jul 9 Kelly Holcomb, American football quarterback (Indianapolis Colts, Cleveland Browns), born in Fayetteville, Tennessee
- Jul 11 Christine Monge, female pitcher (Colo Silver Bullets), born in San Francisco, California
- Jul 11 Konstantinos Kenteris, Greek athlete
- Jul 12 Christian Vieri, Italian soccer striker (49 caps; Inter Milan), born in Bologna, Italy
- Jul 13 Ariel Silvio Zárate, Argentine footballer
- Jul 14 Halil Mutlu, Bulgarian-Turkish weightlifter (5X World Champion; Olympics - gold, 1996, 2000 & 2004), born in Postnik, Bulgaria
- Jul 14 Kieren Perkins, Australian 1500m swimmer (Olympics - gold, 1992 & 1996), born in Brisbane, Australia
- Jul 16 Shaun Pollock, South African cricket all-rounder, captain (108 Tests, 3,781 runs @ 32.21, 421 wickets; 303 ODIs) and broadcaster (SuperSport), born in Port Elizabeth, RSA
- Jul 16 Stefano Garzelli, Italian cyclist, born in Varese, Italy
- Jul 17 Horacio Llamas, Mexican NBA center (Phoenix Suns), born in Rosario, Mexico
- Jul 20 Mads Rieper, Danish footballer
- Jul 20 Peter Forsberg, Swedish NHL center (Colorado Avalanche), born in Ornskoldsvik, Sweden
- Jul 21 Stephen Clarke, Canadian swimmer (Olympic bronze 1992, 96), born in Sutton Coldfield, England
- Jul 22 Mike Sweeney, American baseball first baseman, catcher, DH (MLB All-Star 2000, 01, 02, 03, 05; Kansas City Royals), born in Orange, California
- Jul 23 Darvin Ham, American NBA forward (Wash Wizards) and coach, born in Saginaw, Michigan
- Jul 23 Nomar Garciaparra, American MLB shortstop (6-time All Star), born in Whittier, California
- Jul 25 Kevin Phillips, English soccer striker (8 caps; EPL top scorer [30 goals] 1999–2000 Sunderland), born in Hitchin, Hertfordshire, England
- Jul 26 Peter Heijstek, Dutch soccer player (DFC/Dordrecht '90)
- Jul 27 Gorden Tallis, Australian rugby league footballer, born in Townsville, Queensland, Australia
- Jul 28 Nixon A. McNamara McClean, West Indies cricket fast bowler (ODI 1996)
- Jul 30 Andrea Gaudenzi, Italian tennis player (1990 French Open junior), born in Faenza, Italy
- Jul 30 Markus Naslund, Swedish NHL right wing (Vancouver Canucks), born in Örnsköldsvik, Sweden
- Jul 31 Andy MacDonald, American skateboarder (8-time X Games Vert & Vert Doubles champion), born in Melrose, Massachusetts
About July 1973
How Old? 50 years old
Generation: Generation X
Leap Year: No