- Jan 1 30th Orange Bowl: #6 Nebraska beats #5 Auburn, 13-7
- Jan 1 30th Sugar Bowl: #8 Alabama beats #7 Mississippi, 12-7
- Jan 1 50th Rose Bowl: #3 Illinois beats Washington, 17-7
- Jan 5 AFL Championship, Balboa Stadium, San Diego: San Diego Chargers beat Boston Patriots, 51-10; Chargers RB Keith Lincoln rushes for 206 yards, 2 TDs
Western Defeats Eastern Conference
Jan 12 14th NFL Pro Bowl, LA Memorial Coliseum: Western Conference beats Eastern Conference, 31-17; MVPs: Johnny Unitas, Baltimore Colts, QB; Gino Marchetti, Baltimore Colts, DE
Emerson Retains Title
Jan 13 Australian Championships Men's Tennis: Roy Emerson retains title; beats fellow Australian Fred Stolle 6-3, 6-4, 6-2
- Jan 13 Australian Championships Women's Tennis: Australian Margaret Smith beats doubles partner Lesley Turner 6-3, 6-2 for her 5th Australian singles crown
14th NBA All-Star Game
Jan 14 14th NBA All-Star Game, Boston Garden: East beats West, 111-107; MVP: Oscar Robertson, Cincinnati Royals, PG
- Jan 15 MLB executives vote to hold a free agent amateur draft, officially known as Major League Baseball First-Year Player Draft in NYC
Willie Mays Highest Paid
Jan 15 San Francisco Giants make champion outfielder Willie Mays the highest-paid player in baseball when they sign him to a new $105,000 per season contract
- Jan 19 3rd AFL All Star Game, Balboa Stadium, SD: Western Division beats Eastern Division, 27-24; MVPs: Keith Lincoln, LA Chargers, RB; Archie Matsos, Oakland Raiders, LB
- Jan 24 CBS purchases 1964 and 1965 NFL TV rights for $28.2 million
- Jan 25 Nike athletics company founded in Oregon as Blue Ribbon Sports by University of Oregon track athlete Phil Knight and his coach, Bill Bowerman [1]
- Jan 27 Barlow & Graeme Pollock complete 341 stand at Adelaide Oval
- Jan 29 IX Winter Olympic Games open in Innsbruck, Austria
- Jan 29 Most lopsided high-school basketball score 211-29 (Louisiana)
- Jan 29 NBC purchases AFL 5 year (1965-69) TV rights for $36 million