- Jan 1 15th Fiesta Bowl: #5 Michigan beats #7 Nebraska, 27-23
- Jan 1 52nd Orange Bowl: #3 Oklahoma beats #1 Penn State, 25-10
- Jan 1 52nd Sugar Bowl: #8 Tennessee beats #2 Miami, 35-7
- Jan 1 72nd Rose Bowl: #13 UCLA beats #4 Iowa, 45-28; Iowa's All-American running back, Ronnie Harmon, fumbles the ball 4 times in his last game.
Bossy's Record Game
Jan 2 NHL New York Islanders right wing Mike Bossy scores his 499th and 500th career goals in the final 2:22 to lift the New York to a 7-5 victory over the Boston Bruins; 11th player in NHL history to score 500 goals
Boon's 2nd Test Century
Jan 4 David Boon's second Test century, 131 v India at Adelaide
Dickerson's Postseason Record
Jan 4 Los Angeles Rams running back Eric Dickerson scores twice as he rushes for an NFL postseason record 248 yards in 20-0 victory over Dallas Cowboys in NFC divisional playoff in Anaheim, California
Robinson's Record Blocks
Jan 4 NCAA basketball's David Robinson blocks a record 14 shots
- Jan 6 Last day in Test cricket for Bob Holland
Willie McCovey Elected
Jan 8 San Francisco Giants Willie McCovey is 16th elected to MLB Hall of Fame in his 1st year of eligibility
- Jan 9 NY Islanders repeat their greatest shutout margin (9-0) vs Pittsburgh Penguins
Abdul-Jabbar's 34,000th Point
Jan 10 Kareem Abdul-Jabbar of the Los Angeles Lakers scores his 34,000th career point during 124-102 win over Indiana Pacers; only NBA player to reach the milestone at that time, holds career record until 2023
- Jan 12 AFC Championship, Miami Orange Bowl: New England Patriots beat Miami Dolphins, 31-14
- Jan 12 Chicago Blackhawk centre Denis Savard scores at 4 seconds of 3rd period
- Jan 12 NFC Championship, Soldier Field, Chicago: Chicago Bears beat Los Angeles Rams, 24-0
Roy's 1st Shutout
Jan 15 Montreal's rookie goaltender Patrick Roy records his first of 66 career NHL shutouts, in the Canadiens' 4-0 win against the Winnipeg Jets at the Forum
Lendl's 3rd ATP
Jan 21 Czech tennis star Ivan Lendl defeats Boris Becker of Germany 6-2, 7-6, 6-3 to claim the season-ending ATP Masters Grand Prix title for a third time at Madison Square Garden, NYC
- Jan 24 NHL New York Islanders Mike Bossy scores his 1,000th point
Coffey Sets Record
Jan 25 Edmonton's Paul Coffey sets NHL record for defensemen with a point in his 28th consecutive game, as the Oilers beat the visiting LA Kings, 5-2
- Jan 26 Hein Vergeer becomes European skating champion
- Jan 26 Super Bowl XX, Louisiana Superdome, New Orleans, Louisiana: Chicago Bears beat New England Patriots, 46-10; MVP: Richard Dent, Chicago, DE