1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar.
- March 7: Andy Gibb is taken to John Radcliffe Hospital in Oxford
- March 10: Andy Gibb dies from Myocarditis
- March 21: Andy Gibb is buried in Forest Lawn - Hollywood Hills Cemetery in Los Angeles, California
- May 15: Bee Gees make an appearance at the Atlantic Records 40th Anniversary Commemoration at Madison Square Garden in New York
- June 5: Bee Gees perform at the Prince's Trust Concert at the Royal Albert Hall in London
- June 11: Bee Gees perform at Nelson Mandela's Tribute Concert at Wembley Stadium in London
- August 4: The film Hawks premieres in London