The 1999 IAAF Grand Prix was the fifteenth edition of the annual global series of one-day track and field competitions organized by the International Association of Athletics Federations (IAAF). The series was divided into four levels: 1999 IAAF Golden League, Grand Prix I and Grand Prix II, and IAAF Permit Meetings. There were seven IAAF Golden League meetings, Grand Prix I featured 10 meetings from 25 April to 8 August and Grand Prix II featured 11 meetings from 25 February to 5 September, making a combined total of 28 meetings for the series. Athletes could also score additional points at IAAF Permit Meetings.