The 1978 PGA Tour season was played from January 5 to November 5. The season consisted of 44 official money events. Tom Watson won the most tournaments, five, and there were seven first-time winners. The tournament results and award winners are listed below.
The following table shows all the official money events for the 1978 season. "Date" is the ending date of the tournament. The numbers in parentheses after the winners' names are the number of wins they had on the tour up to and including that event. Majors are shown in bold.