- Apr 1 John Philip Abizaid, U.S. Army General, former CENTCOM commander
- Apr 1 Henry Gross, American guitarist (Sha Na Na, 1969-70), and singer-songwriter ("Shannon"), born in Brooklyn, New York
- Apr 2 Ayako Okamoto, Japanese golfer (US Open 1987 runner-up, 17 LPGA Tour titles), born in Hiroshima, Japan
- Apr 2 Moriteru Ueshiba, Japanese martial artist, born in Tokyo
- Apr 4 Steve Gatlin, American country singer (Gatlin Bros-Broken Lady), born in Olney, Texas
- Apr 4 Hun Sen, Prime Minister of Cambodia, born in Kampong Cham, Cambodia
- Apr 5 Everett Morton, Nevisian-born English drummer and percussionist (English Beat), born in Saint Kitts, West Indies (d. 2021)
- Apr 5 Roosevel Ferguson, Arkansas, murderer (FBI Most Wanted List)
- Apr 5 Dean Kamen, American engineer and inventor (Segway), born in Long Island, New York
- Apr 5 Rennie Stennett, Panamanian baseball infielder (World Series 1979; SF Giants; one of 3 players to collect 7 hits in a MLB game), born in Colón, Panama (d. 2021)
- Apr 6 Ralph Cooper, Australian drummer (Air Supply - "All Out of Love")
- Apr 6 Bert Blyleven, American Baseball Hall of Fame pitcher (2-time WS champion Twins 1979, 87), born in Zeist, Netherlands
- Apr 7 Janis Ian [Fink], American singer-songwriter and folk musician ("At Seventeen"; "Society's Child"), born in NYC, New York
- Apr 7 John Dittrich, American country music drummer (Restless Heart - "Wheels"; "The Bluest Eyes In Texas"), born in Union, New Jersey
- Apr 8 Mel Schacher, American bassist (Grand Funk Railroad - "Some Kind of Wonderful"'; "We're An American Band"), born in Owosso, Michigan
- Apr 8 Phil Schaap, American Grammy Award-winning jazz historian, DJ, author and educator, born in Queens, New York City (d. 2021)
- Apr 9 John Teerlinck, American NFL defensive end (SD Chargers) and coach (annual award for NFL best defensive line coach named after him), born in Rochester, New York (d. 2020)
- Apr 9 Andrzej Krzanowski, Polish classical composer and accordionist (The Wind Carries the Echo Across a Wood Clearing), born in Bielsko-Biała, Poland (d. 1990)
- Apr 10 Mark Roth, American pro bowler (4 x PBA Player of Year), born in Brooklyn, New York
Steven Seagal
Apr 10 Steven Seagal, American actor (Above the Law, Hard to Kill), born in Detroit, Michigan
- Apr 10 David Helvarg, American journalist and environmental activist, born in Long Island, New York
- Apr 11 Robbie House, American country-rockabilly guitarist (Snuff - "Bad, Bad, Billy")
- Apr 11 Doris Angleton, American socialite and murder victim (d. 1997)
- Apr 11 Paul Fox, English musician and singer (The Ruts), born in United Kingdom (d. 2007)
- Apr 11 James Patrick Kelly, American sci-fi author (Think Like a Dinosaur), born in Mineola, New York
- Apr 11 Jim Holton, Scottish soccer defender (15 caps; Manchester United, Coventry City), born in Lesmahagow, Scotland (d. 1993)
- Apr 11 Glyn Shaw, Welsh rugby union prop (12 caps; Neath RFC), and rugby league prop (7 caps Wales, 1 GB; Widnes RLFC, Wigan RLFC), born in Rhigos, Wales (d. 2022)
- Apr 12 Jakson Spires, American rock drummer (Blackfoot), born in Raleigh, North Carolina
- Apr 13 Beatrix "Trixie" Schuba, Austrian figure skater considered to be one of the best compulsory figure skaters ever (Olympic gold 1972), born in Vienna, Austria
- Apr 13 Jack Quinn, American politician (US House of Representatives from New York (R), 1993-2005), and college president (Erie Community, 2008-17), born in Buffalo, New York
- Apr 13 Max Weinberg, American rock drummer (E Street Band; Conan O'Brien Show), born in Newark, New Jersey
- Apr 13 Peabo Bryson, American R&B, soul, and pop vocalist ("Show and Tell"; "Tonight, I Celebrate My Love"; "A Whole New World"), born in Greenville, South Carolina
- Apr 13 Peter Davison, English actor (fifth Doctor in Doctor Who; All Creatures Great and Small), born in London
- Apr 13 Joachim Streich, German soccer striker (102 caps GDR; FC Hansa Rostock, 1. FC Magdeburg) and manager (1. FC Magdeburg), born in Wismar, Germany (d. 2022)
- Apr 14 Matima Kinuani Mpiosso, Zairen rock guitarist (Zaika Langa-Langa) (d. 1996)
- Apr 14 Julian Lloyd Webber, English cellist (Royal Birmingham Conservatoire), born in London
- Apr 14 Gregory "Greg" Winter, British biochemist (Nobel Prize in Chemistry 2018) known for the therapeutic use of antibodies, born in Leicester, England
- Apr 15 Heloise [Ponce Kiah Marchelle Heloise Cruse Evans], American writer and columnist (Heloise's Helpful Hints), born in Waco, Texas
- Apr 15 John L. Phillips, NASA astronaut, born in Fort Belvoir, Virginia
- Apr 15 Marsha S. Ivins, American astronaut (STS 32, 46, 62, 81), born in Baltimore, Maryland
- Apr 16 John Bentley, English bass guitarist (Fabulous Poodles), born in Kingston upon Hull, Yorkshire, England
- Apr 16 Pierre Toutain-Dorbec, French photographer, born in Orbec, Normandy, France
- Apr 16 Ioan Mihai Cochinescu, Romanian writer and photographer, born in Timişoara, Romania
- Apr 16 Björgvin Halldórsson, Icelandic singer, born in Hafnarfjörður, Iceland
- Apr 16 Mordechai Ben David, American Jewish singer, born in Brooklyn, New York
- Apr 17 Olivia Hussey, Argentine-British actress (Romeo & Juliet, Death on Nile), born in Buenos Aires, Argentina
- Apr 18 Ricardo Fortaleza, Australian-Filipino boxer, born in Malate, Manila, Philippines
- Apr 18 Pierre Pettigrew, Canadian politician (Minister for International Trade), born in Quebec City, Quebec, Canada
- Apr 19 Barry Brown, American actor (Frederick Winterbourne-Daisy Miller), born in San Jose, California (d. 1978)
- Apr 19 Jóannes Eidesgaard, Prime Minister of the Faroe Islands (2004-08), born in Tvøroyri, Suðuroy
- Apr 20 Luther Vandross, American soul singer, songwriter ("Endless Love"; "Dance With My Father"), and vocal arranger (David Bowie - Young Americans), born in NYC, New York (d. 2005)
- Apr 20 Steve Nathan, American rock and country session pianist, Hammond organ, and keyboard player (Muscle Shoals' FAME studio; Nashville's A-Team), born in Buffalo, New York
- Apr 21 Aleksandr Ivanovich Laveykin, Russian cosmonaut (Soyuz TM-2)
- Apr 21 Nicoel Barclay, rocker
- Apr 21 Tony Danza, (Tony Banta-Taxi, Tony Micelli-Who's the Boss), born in Brooklyn, New York
- Apr 21 Michael Hartley Freedman, American mathematician
- Apr 21 Robert Gotobed, English drummer (Wire)
- Apr 22 Paul Carrack, English rock singer (Ace - "How Long"; Mike + The Mechanics - "The Living Years"; Squeeze - "Tempted"), born in Sheffield, England
- Apr 22 Ana María Shua, Argentine poet
- Apr 24 Andrew John Fairclough, trade union educator
- Apr 24 Nigel Harrison, British rock bassist and songwriter (Blondie, 1978-82 - "One Way Or Another"), born in Stockport, Cheshire, England
- Apr 25 Ian McCartney, British MP for Makerfield (1987-10), born in Lennoxtown, Scotland
- Apr 26 Diego Verdaguer [Miguel Boccadoro], Argentine-Mexican singer-songwriter, bandoneón player, and trumpeter ("Volveré"; "Voy a Conquistarte"), born in Buenos Aires, Argentina (d. 2022)
- Apr 27 Paul "Ace" Frehley, American rock guitarist (Kiss; Frehley's Comet), born in The Bronx, New York
- Apr 27 Jim Justice, American businessman and politician, Governor of West Virginia (2017-), born in Charleston, West Virginia
Dale Earnhardt
Apr 29 Dale Earnhardt, American auto racer (7 NASCAR Winston Cup Series championships), born in Kannapolis, North Carolina (d. 2001)
- Apr 30 Danuta Rosani, Polish discus thrower (Olympic 1976) disqualified for drugs
About April 1951
How Old? 71 years old
Generation: Baby Boomer
Leap Year: No