- Apr 1 Antonis Fotsis, Greek basketball power forward and captain (Ilysiakos, Panathinaikos, Real Madrid; NBA: Vancouver Grizzlies), born in Maroussi, Greece
- Apr 1 Bjørn Einar Romøren, Norwegian ski jumper (FIS Ski Flying World C'ship gold team 2004, world record longest jump 239m 2005, Olympic bronze LH 2006), born in Oslo, Norway
- Apr 2 Michael Clarke, Australian cricket batsman and captain (115 Tests, 8,643 runs @ 49.10, 28 x 100s; 245 ODIs) and broadcaster (9 Network, FoxSports), born in Sydney, Australia
Suzann Pettersen (43 years old)
Apr 7 Norwegian golfer (LPGA C'ship 2007, Evian C'ship 2013), born in Oslo, Norway
- Apr 8 Brian Burres, American baseball player, born in Oregon City, Oregon
- Apr 9 Dennis Sarfate, American baseball player, born in Queens, New York
- Apr 9 Ireneusz Jeleń, Polish footballer (Polish national football team), born in Cieszyn, Poland
- Apr 9 Milan Bartovič, Slovak ice hockey player, born in Trenčín, Slovakia
- Apr 11 Alex Burrows, Canadian ice hockey left wing (Vancouver Canucks) and ball hockey player (International Player of the Year 2005; World C'ship gold 2003, 05), born in Pincourt, Quebec
- Apr 12 Brian Vandborg, Danish cyclist, born in Snejbjerg, Denmark
- Apr 12 Nicolás Burdisso, Argentine soccer defender (49 caps; Boca Juniors, Internazionale, Roma, Genoa, Torino), born in Altos de Chipión, Argentina
- Apr 13 Nat Borchers, American soccer player, born in Tucson, Arizona
- Apr 15 Andrés D'Alessandro, Argentine football player
- Apr 17 Ryan Raburn, American baseball player, born in Tampa, Florida
- Apr 18 Brian Buscher, American MLB third baseman, born in Jacksonville, Florida
- Apr 19 Martin Havlát, Czech ice hockey player, born in Mladá Boleslav, Czechoslovakia
- Apr 19 Troy Polamalu, American football player (Pittsburgh Steelers), born in Garden Grove, California
- Apr 22 Ken Dorsey, American football player
- Apr 23 Chris Sharma, American rock climber, born in Santa Cruz, California
- Apr 23 Sean Henn, American baseball player (NY Yankees), born in Fort Worth, Texas
- Apr 25 Anja Pärson, Swedish alpine skier, born in Umeå, Sweden
- Apr 25 Dwone Hicks, American NFL running back, born in Huntsville, Alabama
- Apr 25 Felipe Massa, Brazilian Formula One racing driver (11 wins), born in São Paulo, Brazil
- Apr 25 John McFall, British Paralympic sprinter and ESA astronaut, born in Frimley, Surrey, England
- Apr 26 Matthieu Delpierre, French footballer, born in Nancy, France
- Apr 27 Joey Gathright, American baseball player, born in Columbia, Mississippi
- Apr 27 Patrik Gerrbrand, Swedish footballer, born in Älvsjö, Sweden
- Apr 29 George McCartney, Northern Irish footballer
- Apr 30 John O'Shea, Irish footballer
About April 1981
How Old? 42 or 43 years old
Generation: Millennial
Leap Year: No