The 1990 Senior PGA Tour was the 11th season since the Senior PGA Tour officially began in 1980 (it was renamed the Champions Tour in October 2002 and has been known as PGA Tour Champions since the 2016 season). The season consisted of 38 official money events with purses totalling $17,800,000, including four majors. Lee Trevino won the most tournaments, seven. The tournament results, leaders, and award winners are listed below.
The following table shows all the official money events for the 1990 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. Senior majors are shown in bold. Golfers winning on their Senior PGA Tour debut are shown in italics.
Scoring Average leaders
|1||Lee Trevino||United States||68.89|
|2||Gary Player||South Africa||69.96|
|3||George Archer||United States||69.99|
|4||Mike Hill||United States||70.06|
|5||Chi Chi Rodriguez||United States||70.11|
Money List leaders
|1||Lee Trevino||United States||1,190,518||28||7|
|2||Mike Hill||United States||895,678||32||5|
|3||Charles Coody||United States||762,901||32||1|
|4||George Archer||United States||749,691||32||4|
|5||Chi Chi Rodriguez||United States||729,788||31||3|
Career Money List leaders
|1||Bob Charles||New Zealand||2,494,732||15|
|2||Miller Barber||United States||2,488,787||24|
|3||Chi Chi Rodriguez||United States||2,235,159||16|
|5||Orville Moody||United States||2,136,180||9|
- "2014 Champions Tour Media Guide: Section 5: All-Time Records" (PDF). PGA Tour. pp. 25–26. Retrieved April 1, 2014.
- "Scoring Average – 1990 Senior PGA Tour". PGA Tour. Retrieved April 1, 2014.
- "Money Leaders – 1990 Senior PGA Tour". PGA Tour. Retrieved April 1, 2014.
- "Career Money Leaders – 1990 Senior PGA Tour". PGA Tour. Retrieved April 1, 2014.