- Apr 1 Antonio de Nigris, Mexican soccer striker (16 caps; Monterrey, Villarreal), born in Monterrey, Mexico (d. 2009)
- Apr 1 Jean-Pierre Dumont, Canadian ice hockey right wing (World C'ship gold 2004; Buffalo Sabres, Nashville Predators), born in Montreal, Quebec
- Apr 1 Miroslava Vavrinec, Swiss tennis player (married to Roger Federer), born in Bojnice, Slovakia
- Apr 3 John Smit, South African rugby player, born in Polokwane, South Africa
- Apr 3 Tommy Haas, German tennis player, born in Hamburg, Germany
- Apr 4 Alan Mahon, Irish footballer (Tranmere Rovers), born in Dublin, Ireland
- Apr 4 Jason Ellison, American MLB baseball player, 2003-08 (San Francisco Giants and 3 other teams), born in Quincy, California
- Apr 5 Franziska van Almsick, German swimmer
- Apr 5 Stephen Jackson, American basketball player
- Apr 6 Blaine Neal, American baseball player
- Apr 6 Tim Hasselbeck, American football player
- Apr 7 Siobhan Drake-Brockman, Australian tennis player (1994 Port Pirie), born in Bunbury, Australia
- Apr 7 Vladimir Voltchkov, Belarusian tennis player
- Apr 8 Bernt Haas, Swiss footballer, born in Vienna, Austria
- Apr 9 Jorge Andrade, Portuguese soccer defender and manager (51 caps; Deportivo La Coruña), born in Lisbon, Portugal
- Apr 11 Victor Sikora, Dutch soccer midfielder (6 caps; Go Ahead Eagles, Vitesse, Ajax), born in Deventer, Netherlands
- Apr 13 Carles Puyol, Spanish footballer, born in La Pobla de Segur, Spain
- Apr 15 Austin Aries [Daniel Solwold, Jr], American professional wrestler, born in Milwaukee, Wisconsin
- Apr 15 Milton Bradley, American baseball player, born in Harbor City, California
- Apr 15 Tim Corcoran, American baseball player
- Apr 17 Jason White, Scottish rugby player, born in Edinburgh, Scotland
- Apr 19 Gabriel Heinze, Argentinian soccer defender (72 caps; Valladolid, PSG, Manchester United, Real Madrid, Marseille) and manager (Vélez Sarsfield, Atlanta United, Newell's Old Boys), born in Crespo, Argentina
- Apr 21 Jacob Burns, Australian footballer
- Apr 22 Esteban Tuero, Argentinian race car driver
- Apr 22 Paul Malakwen Kosgei, Kenyan long-distance and marathon runner, born in Marakwet, Kenya
- Apr 23 Gezahegne Abera, Ethiopian distance runner (Olympic gold marathon 2000, World C'ship gold 2001), born in Etya, Ethiopia
- Apr 25 Matt Walker, British Paralympic swimmer, born in Stockport, England
- Apr 26 Joe Crede, American baseball player, born in Jefferson City, Missouri
- Apr 26 Peter Madsen, Danish retired footballer, born in Roskilde, Madsen
- Apr 29 Bob Bryan, American professional tennis player (23 x Grand Slam Doubles titles; Olympic gold 2012; 4 x ATP Tour Finals; Davis Cup 2007), born in Oxnard, California
- Apr 29 Mike Bryan, American professional tennis player (22 x Grand Slam Doubles titles; 5 x ATP Tour Finals; Olympic gold 2012; Davis Cup 2007), born in Oxnard, California
- Apr 29 Tony Armas, Jr., Venezuelan baseball player
About April 1978
How Old? 46 years old
Generation: Generation X
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions