- Jan 1 74th Sugar Bowl: #5 Georgia beats #10 Hawai'i, 41-10
- Jan 1 94th Rose Bowl: #6 Southern California beats #13 Illinois, 49-17
- Jan 2 37th Fiesta Bowl: #11 West Virginia beats #3 Oklahoma, 48-28
- Jan 3 74th Orange Bowl: #8 Kansas beats #5 Virginia Tech, 24-21
America Defeats Serbia
Jan 4 Hopman Cup Tennis, Perth: Americans Serena Williams & Mardy Fish beat Serbian pair Novak Đoković & Jelena Janković 7-6, 6-2 for an unassailable 2-0 lead, and the 5th US title
- Jan 7 College Football, 10th BCS National Championship Louisiana Superdome, New Orleans: #2 LSU beats #1 Ohio State, 38-24
- Jan 13 Orlando Magic knock down a then NBA-record 23 3-pointers in 37 attempts (62.2%); Jameer Nelson goes 5-for-5 from beyond the arc as Magic beat the Sacramento Kings, 139-107
- Jan 20 AFC Championship, Gillette Stadium, Foxborough: New England Patriots beat San Diego Chargers, 21-12
- Jan 20 Frenchman Francis Joyon becomes the fastest person to sail solo around the world, taking 57 days, 13 hours and 34 minutes
- Jan 20 NFC Championship, Lambeau Field, Green Bay: New York Giants beat Green Bay Packers, 23-20 (OT)
Sharapova Defeats Ivanović
Jan 26 Australian Open Women's Tennis: Russian Maria Sharapova wins her first and only Australian title; beats Ana Ivanović of Serbia 7-5, 6-3
- Jan 27 56th NHL All-Star Game, Phillips Arena, Atlanta, GA: Eastern Conference beats Western Conference, 8-7; MVP: Eric Staal, Carolina, C
Đoković Defeats Tsonga
Jan 27 Australian Open Men's Tennis: Novak Đoković beats Jo-Wilfried Tsonga of France 4-6, 6-4, 6-3, 7-6 to become first Serbian player to win a Grand Slam title