- Mar 1 Lupita Nyong’o, Mexican-Kenyan actress (12 Years a Slave), born in Mexico City
- Mar 7 Greta Lee, American actress (Past Lives), born in Los Angeles, California
- Mar 9 Maite Perroni [Beorlegui], Mexican actress and Latin pop singer (RBD), born in Mexico City
- Mar 10 Janet Mock, American writer, TV host and transgender rights activist (Redefining Realness), born in Honolulu, Hawaii
- Mar 10 Rafe Spall, English Actor (The Big Short), born in London, England
- Mar 14 Johnny Flynn, English actor (Emma; Genius) and singer-songwriter (The Sussex Wit), born in Johannesburg, South Africa
- Mar 15 Sean Biggerstaff, Scottish actor
- Mar 19 Ana Rezende, Brazilian rock guitarist and keyboard player (CSS), and film director, born in São Paulo, Brazil
- Mar 19 Matt Sydal, American professional wrestler
- Mar 26 Michael Mondo [Mike Brendli], American professional wrestler (WWE), born in Gordon Heights, New York
- Mar 29 Ed Skrein, English actor (Deadpool) and director, born in London, England
- Mar 30 Zach Gowen, American professional wrestler
About March 1983
How Old? 41 years old
Generation: Millennial
Leap Year: No