The 1986 San Francisco Giants season was the Giants' 104th season in Major League Baseball, their 29th season in San Francisco since their move from New York following the 1957 season, and their 27th at Candlestick Park. The team finished in third place in the National League West with an 83–79 record, 13 games behind the Houston Astros.

Offseason

Regular season

On August 20, 1986, Phillies pitcher Don Carman took a perfect game into the ninth inning against the Giants at Candlestick Park. Giants catcher Bob Brenly hit a long drive into the gap in left-center field. Phillies center fielder Milt Thompson was positioned to make a running catch but the ball hit the base of his glove and was ruled a hit. Brenly was credited with a double. Carman lost the perfect game but the Phillies won in ten innings.

Opening Day starters

Season standings

Record vs. opponents

Notable transactions

Major League debuts

Roster

Player stats

Batting

Starters by position

''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Other batters

''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Pitching

Starting pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Other pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers

Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Awards and honors

All-Star Game

Farm system