- Mar 1 Chris Webber, American basketball forward (NBA All-Star 1997, 2000–2003; Washington Bullets/Wizards, Sacramento Kings) and broadcaster (NBA Gametime Live; TNT), born in Detroit, Michigan
- Mar 1 Jack Davenport, English actor (Pirates of the Caribbean), born in London, England
- Mar 2 Paul Popowich, actor (Tommy Tricker & Stamp Traveler)
- Mar 3 Matthew Marsden, English actor and singer
- Mar 8 Boris Kodjoe, Austrian model
- Mar 10 Eva Herzigova, Czech, model (Guess Jeans, Wonderbra), born in Litvinov, Czechoslovakia
- Mar 10 Chris Sutton, English soccer striker, manager, broadcaster (1 cap; Blackburn Rovers, Celtic; BT Sport, BBC Radio 5 Live, BBC Sport.), born in Nottingham, England
- Mar 17 Amelia Weatherly, actress (Stephanie Brewster-Loving/The City)
- Mar 18 Luci Christian, American voice actress
- Mar 19 Simmone Jade Mackinnon, Australian actress
- Mar 20 Jane March, Edgeware England, actress (Lover)
- Mar 20 Jung Woo-sung, South Korean actor
- Mar 20 Cedric Yarbrough, American actor
- Mar 21 Ananda Lewis, American model and television personality
- Mar 21 Jerry Supiran, American actor
- Mar 22 Dax Griffin, KS, actor (Tim Truman-Sunset Beach)
Jim Parsons
Mar 24 Jim Parsons, actor (The Big Bang Theory), born in Houston, Texas
Jim Parsons
- Mar 26 Heather Goldenhersh, American actress
- Mar 26 T.R. Knight, American actor
- Mar 26 Matt Burke, Australian rugby union fullback (81 caps; NSW Waratahs; Eastwood) and broadcaster (Network 10), born in Sydney, Australia
- Mar 28 Eddie Fatu, Samoan professional wrestler
About March 1973
How Old? 47 or 48 years old
Generation: Generation X
Leap Year: No