- Mar 3 Alexander Semin, Russian ice hockey player
- Mar 4 Ai Iwamura, Japanese actress (Battle Royale), born in Tokyo, Japan
- Mar 4 Kevin O'Brien, Irish cricket batsman (3 Tests; 142 ODIs; 89 T20I; fastest century ever in ODI World Cup, off 50 balls v England 2011), born in Dublin, Republic of Ireland
- Mar 4 Zak Whitbread, American-born English footballer
- Mar 6 Becky, Japanese-British entertainer
- Mar 6 Chris Tomson, American rock drummer (Vampire Weekend - "A-Punk"; "Oxford Comma"),, born in Upper Freehold, New Jersey
- Mar 7 Brandon T. Jackson, American actor, born in Detroit, Michigan
- Mar 7 Mathieu Flamini, French footballer (Arsenal), born in Marseille, France
- Mar 8 Dave Moffatt, Canadian musician
- Mar 9 Julia Mancuso, American Alpine skier (4 Olympic gold medals), born in Reno, Nevada
- Mar 10 Li Yuchun [Chris Lee], Chinese singer-songwriter and actress (Supergirl), born in Chengdu, Sichuan, China
Olivia Wilde (39 years old)
Mar 10 American actress and filmmaker (House, Booksmart), born in New York City
- Mar 11 Anna Tsuchiya, Japanese model, actress and singer
- Mar 11 Marc-André Grondin, Canadian actor
- Mar 11 Tom James, British rower
Jaimie Alexander (39 years old)
Mar 12 American actress (Blindspot), born in Greenville, South Carolina
- Mar 12 Shareefa [Faradah Cooper], American R&B singer, born in Newark, New Jersey
- Mar 12 Shreya Ghoshal, Indian playback singer, songwriter, composer and music producer, born in Berhampore, West Bengal, India
- Mar 13 Marc Zwiebler, German badminton player, born in Bonn, Germany
- Mar 13 Noel Fisher, Canadian actor (Shameless, The Riches), born in Vancouver, British Columbia
- Mar 13 Pieter Custers, Dutch athlete, born in Weert, Netherlands
- Mar 13 Rachael Bella, American actress (The Ring), born in Vermillion, South Dakota
- Mar 13 Yuuka Nanri, Japanese actress, voice actress and pop singer, born in Nagasaki, Japan
- Mar 14 Antoni Porowski, Canadian chef and TV personality (Queer Eye), born in Montreal, Quebec
- Mar 14 Liesel Matthews [Pritzker], American former child actress ("A Little Princess"), born in Chicago, Illinois
- Mar 15 Kostas Vassiliadis, Greek basketball player
- Mar 16 Levi Brown, American football player
- Mar 18 Vonzell Solomon, American Idol Contestant
- Mar 19 Tanushree Dutta, Indian actress (Aashiq Banaya Aapne), born in Jamshedpur, India
- Mar 20 Christy Carlson Romano, American actress (Even Stevens; Kim Possible), born in Milford, Connecticut
- Mar 20 Fernando Torres, Spanish footballer
- Mar 20 Justine Ezarik, American Internet personality
- Mar 20 Marcus Vick, American football player
- Mar 20 Markus Niemelä, Finnish racing driver
- Mar 20 Valtteri Filppula, Finnish NHL hockey player, 2005-21 (Detroit Red Wings, Tampa Bay Lightning, and 2 other teams), born in Vantaa, Finland
- Mar 20 Winta [Efrem], Eritrean-Norwegian R&B singer (Hot Romance (Rok With You); Nails on Chalkboard), born in Oslo, Norway
- Mar 21 Franck Perera, French racing car driver, born in Montpellier, France
- Mar 24 Chris Bosh, American basketball player
- Mar 24 Tommy Snider, American actor (Dumb and Dumber To), born in Tacoma, Washington
- Mar 25 Katharine McPhee, American singer-songwriter ("Over It") and actress (Country Comfort), born in Los Angeles, California
- Mar 26 Gregory Strydom, Zimbabwean cricketer, born in Pretoria, South Africa
- Mar 26 Sara Jean Underwood, American model (Playmate of the Year 2007), born in Portland, Oregon
- Mar 26 Stéphanie Lapointe, French Canadian singer (Star Académie), born in Brossard, Quebec
- Mar 27 Emily Ann Lloyd, American actress (Apollo 13), born in Glendale, California
- Mar 27 Jon Paul Steur, American actor (Grace Under Fire), born in Escondido, California
- Mar 28 Christopher Samba, French-born footballer
- Mar 28 Nikki Sanderson, British actress and model
- Mar 28 Yordanos Abay, Ethiopian footballer
- Mar 30 Anna Nalick, American singer-songwriter, born in Temple City, California
- Mar 30 Mario Ančić, Croatian tennis player (world #7 2006; Davis Cup 2005), born in Split, Croatia
- Mar 30 Samantha Stosur, Australian tennis player (US Open singles 2011; 9 x Grand Slam doubles titles; Tour Finals doubles 2005, 06), born in Brisbane, Australia
- Mar 31 Eddie Johnson, American soccer striker (63 caps; FC Dallas, Seattle Sounders), born in Bunnell, Florida
- Mar 31 Jack Antonoff, American rock singer, guitarist, songwriter, and producer (Bleachers; fun.), born in Bergenfield, New Jersey
- Mar 31 James Jones, American NFL receiver (NFL receiving TD leader 2012), born in San Jose, CA
About March 1984
How Old? 38 or 39 years old
Generation: Millennial
Leap Year: Yes