Events in Sport
- Aug 5 Sergei Bubka of the Soviet Union breaks his own world pole vault record (6.10m) in Malmö Sweden
- Aug 6 American softball pitcher Debbie Doom strikes out 17 in her 2nd consecutive perfect game at the Pan American Games in Havana, Cuba; beats Nicaragua, 8-0
World Record
Aug 7 American team of Carl Lewis, Mike Marsh, Leroy Burrell & Dennis Mitchell set 4 x 100m relay world record of 37.67 seconds in Zürich, Switzerland

Carl Lewis
PGA Championship
Aug 11 PGA Championship Men's Golf, Crooked Stick GC: John Daly wins by 3 strokes from fellow American Bruce Lietzke

John Daly
- Aug 12 Last day in Test Cricket for Viv Richards, Dujon & Marshall
- Aug 13 Michael Ray Barrowman swims world record 200m breaststroke (2:10.60)
- Aug 13 Test Cricket debut of Mike Whitney for Australia versus England at Old Trafford
- Aug 14 Twins Dave Winfield is 23rd to hit 400 HR
- Aug 17 Royals Warren Cromartie's 1st major league HR since 1983
- Aug 20 Norbert Rosza swims world record 100m breast stroke (1:01.29)
Event of Interest
Aug 20 Dolphin Dan Marino surpasses Joe Montana as the highest paid NFL player with a 5-year extension for $25 million

Dan Marino

Joe Montana
- Aug 22 Krizstina Egerszegi swims world record 100m backstroke (1:00.31)
- Aug 23 3rd Athletics World Championships open at Tokyo, Japan
- Aug 24 Taiwan captures its 15th Little League World Series, 11-0
- Aug 25 Carl Lewis rus 100m in 9.86 seconds
- Aug 25 Cubs Doug Dascenzo commits his 1st career error after 242 games
- Aug 25 Krizstina Egerszegi swims world record 200m backstroke (2:06.62)
- Aug 25 Wanda Panfil wins 3rd female world champion marathon (2:29:53)
- Aug 26 Royal Brett Saberegen no-hits White Sox 7-0
Baseball Record
Aug 28 Red Tom Browning vs Expo Dennis Martínez both perfect game pitcher

Dennis Martínez
Birthdays in Sport
- Aug 18 Liz Cambage, Australian basketball center (WNBA single game record 53), born in London, England
Deaths in Sport
Paul Brown
Aug 5 Paul Brown, NFL hall of fame coach (Cleveland Browns, Cincinnati Bengals), dies of pneumonia at 82

Paul Brown