- Mar 1 Yolanda Griffith, American Women's Basketball Hall of Fame center (Olympic gold 2000, 04; WNBA Finals MVP 2005, Sacramento Monarchs; 8 × WNBA All-Star), born in Chicago, Illinois
- Mar 2 Ciriaco Sforza, Swiss soccer midfielder (79 caps; Grasshopper Club Zürich, Internazionale, FC Kaiserslautern, Bayern Munich) and manager (Grasshoppers, FC Wil), born in Wohlen, Switzerland
- Mar 3 Donovan Bergstrom, US 3K steeplechase runner
- Mar 3 Inzamam-ul-Haq, cricketer (dashing Pakistani batsman)
- Mar 3 Kristine Radford, Australian tennis star (1996 ITF/Lyneham), born in Sydney, New South Wales
- Mar 3 Rick Mirer, NFL quarterback (Seattle Seahawks)
- Mar 4 Dave Stevens, American MLB baseball pitcher, 1994-2000 (Minnesota Twins, and 3 other teams), born in Fullerton, California
- Mar 4 Marja Helena Paluila, Finnish ice hockey player (Finland, Olympics 1998), born in Oulu, Finland
- Mar 6 Robbie Tobeck, NFL guard/center (Atlanta Falcons)
- Mar 7 James 'Jim' Spivey, American middle-distance runner, born in Schiller Park, Illinois
- Mar 8 Harry Decheiver, soccer player (RKC)
- Mar 8 Jason Elam, NFL kicker (Denver Broncos-Super Bowl 32)
- Mar 8 Rhett Harty, Pasedena CA, US soccer player (Olympic-92)
- Mar 8 Vadim Bekboulatov, NHL forward (Belarus, Olympics 1998)
- Mar 10 Peter Wright, Scottish darts player (PDC World Champion 2020, 22), born in Livingston, Scotland
- Mar 12 John Nemechek, American NASCAR driver (d. 1997)
- Mar 14 Ebru Kavaklıoğlu, Russian athlete
- Mar 15 Chris Dalman, NFL guard/center (SF 49ers)
- Mar 15 Diego Nargiso, tennis pro, born in Naples, Italy
- Mar 15 Eric Castle, NFL free safety (San Diego Chargers)
- Mar 15 Paul Kruse, Merritt, NHL left wing (Calgary Flames)
- Mar 16 Kelli James, American field hockey forward (Olympics, 1996), born in Medford, New Jersey
- Mar 17 Shannan Mitchem, American infielder (Colo Silver Bullets), born in Decatur, Georgia
- Mar 18 Sarah Thorsett, Winona Minn, 1.5k runner
- Mar 19 Errol Refos, soccer player (Feyenoord)
- Mar 19 Janne Laukenen, Lahti FIN, NHL defenseman (Finland Olympic bronze 1998, Senators)
- Mar 19 Rick Mirer, NFL quarterback (Seattle Seahawks, Chicago Bears)
- Mar 19 Sean Fleming, CFL placekicker & punter (Grey Cup 1993, 2003, 05; CFL All-Star 2002, 04 Edmonton Eskimos), born in Burnaby, British Columbia
- Mar 20 Ron George, NFL linebacker (Atlanta Falcons)
- Mar 22 Jason Rouser, American 200m/400m runner, born in Tucson, Arizona
- Mar 22 Leontien van Moorsel, Dutch cyclist (4 Olympic gold medals), born in Boekel, Netherlands
- Mar 23 Carl Pickens, NFL wide receiver (Cin Bengals), born in Murphy, North Carolina
- Mar 24 Judith Draxler, Austrian swimmer
- Mar 24 Mike Vanderjagt, CFL kicker (Toronto Argonauts)
- Mar 25 Magnus Larsson, Swedish tennis player (Grand Slam Cup 1994; Davis Cup 1994, 97), born in Olofström, Sweden
- Mar 25 Shawn Antoski, Brantford, NHL left wing (Philadelphia Flyers)
- Mar 26 Paul Bosvelt, Dutch soccer midfielder who played 24 internationals; Go Ahead Eagles, FC Twente, Feyenoord, Manchester City, born in Doetinchem, Netherlands
- Mar 28 James Johnson, American NFL/WLAF running back (Tampa Bucs, Frankfurt Galaxy), born in Cheyenne, Wyoming
- Mar 28 Jason B Gailes, American rower (Olympic silver 1996), born in Dighton, Massachusetts
Secretariat (1970-1989)
Mar 30 American thoroughbred race horse (Triple Crown, 1973), born in Caroline County, Virginia
About March 1970
How Old? 54 years old
Generation: Generation X
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions