- Apr 2 Will Hoy, English auto racer (British Touring Car C'ship 1991), born in Melbourn, England (d. 2002)
- Apr 4 Gregg Hansford, Australian motorcycle racer (10 x GP wins) and touring car racer (Bathurst 1993), born in Brisbane, Australia (d. 1995)
- Apr 4 Pat Burns, Canadian Hockey Hall of Fame coach (Montreal Canadiens, Toronto Maple Leafs, Boston Bruins; Stanley Cup 2002-03 New Jersey Devils), born in Montreal, Quebec (d. 2010)
- Apr 4 Rosemarie Ackermann, German high jumper (Olympic gold 1976), born in Lohsa, Sachsen, Germany
- Apr 5 Sandy Mayer, American tennis player (Wimbledon doubles 1975; French Open doubles 1979), born in Portola Valley, California
- Apr 7 Jane Frederick, US pentathlete (Olympic 7th 1976)
- Apr 9 Bruce Robertson, New Zealand rugby union centre (34 Tests, 22 tries; Counties Manukau RFU), born in Hastings, New Zealand (d. 2023)
- Apr 11 Peter Windsor, English motor racing journalist and reporter, born in Reigate, Surrey, England
- Apr 12 Alexis Argüello, Nicaraguan boxer (3-weight world champion), born in Managua, Nicaragua (d. 2009)
- Apr 12 Ralph Wiley, American sports journalist and writer (Sports Illustrated and ESPN's Page 2), born in Memphis, Tennessee (d. 2004)
- Apr 12 Reuben Gant, American professional football player (Buffalo Bills), born in Tulsa, Oklahoma
- Apr 13 Jonjo O'Neill, Irish racehorse trainer, born in Cork, Ireland
- Apr 14 Mickey O'Sullivan, Irish Gaelic football manager and player, born in Kenmare, Ireland
- Apr 15 Bengt Gingsjö, Swedish swimmer, born in Gothenburg, Västra Götaland
Bill Belichick (72 years old)
Apr 16 American football coach (Super Bowl 2002, 04, 05, 14, 17, 18; most SB wins; NFL Coach of the Year 2003, 07, 10; New England Patriots), born in Nashville, Tennessee
- Apr 20 Božidar Maljković, Serbian basketball coach (EuroLeague C'ship 1989, 90 Jugoplastika; 1993 Limoges CSP; 1996 Panathinaikos BC; FIBA Intercontinental Cup 1996; President OC of Serbia), born in Otočac, Croatia
- Apr 23 Terry Moor, American tennis star, born in Hartford, Connecticut
- Apr 25 Vladislav Tretiak, Russian hockey player (Olympic gold 1972, 76), born in Dmitrovsky District, Russia
- Apr 27 Ari Vatanen, Finnish rally driver, born in Tuupovaara, Finland
George Gervin (72 years old)
Apr 27 American basketball player, born in Detroit, Michigan
- Apr 29 Bob McClure, American baseball player and coach (Milwaukee Brewers), born in Oakland, California
About April 1952
How Old? 72 years old
Generation: Baby Boomer
Leap Year: Yes
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions