| Date | Sport | Venue/Event | Status | Winner/s |
| 1–2 | Rugby sevens |  2017 Dubai Sevens (WRSS #1) | International |  South Africa |
| 1–9 | Floorball |  2017 Women's World Floorball Championships | International |  Sweden |
| 1–10 | Field hockey |  2016–17 Men's FIH Hockey World League Final | International | .svg.png) Australia |
| 1–17 | Handball |  2017 World Women's Handball Championship | International |  France |
| 2–3 | Formula E |  2017 Hong Kong ePrix (FE #1 & #2) | International | Race 1:  Sam Bird ( DS Virgin Racing)
Race 2: Felix Rosenqvist ( Mahindra Racing) |
| 2–3 | Taekwondo |  2017 World Taekwondo Grand Prix Final | International |  South Korea |
| 3–17 | Association football |  2017 CECAFA Cup | Regional | Kenya |
| 3–17 | Multi-sport |  2017 Central American Games | Regional |  Guatemala |
| 4–7 | Pool |  2017 Mosconi Cup | International |  Europe |
| 4–15 | Multi-sport |  2017 Pacific Mini Games | Regional | / New Caledonia |
| 5–6 | Taekwondo | 2017 World Taekwondo Team Championships | International | Men:  Iran
Women:  China
Mixed: China |
| 6–13 | Association football |  / 2017 Copa Sudamericana Finals | Continental | Independiente |
| 6–16 | Association football | 2017 FIFA Club World Cup | International |  Real Madrid |
| 7–10 | Figure skating |  2017–18 Grand Prix of Figure Skating Final | International | Men: Nathan Chen
Ladies:  Alina Zagitova
Pairs: Germany (Aliona Savchenko & Bruno Massot)
Ice dance: France (Gabriella Papadakis & Guillaume Cizeron) |
| 8–16 | Association football | 2017 EAFF E-1 Football Championship
2017 EAFF E-1 Women's Football Championship | Regional | Men: South Korea
Women:  North Korea |
| 8–17 | Squash |  2017 PSA Men's World Championship
2017 PSA Women's World Championship | International | Men:  Mohamed El Shorbagy
Women: Raneem El Weleily |
| 9–10 | Rugby sevens | 2017 South Africa Sevens (WRSS #2) | International |  New Zealand |
| 9–15 | Ice hockey |  2018 World Junior Ice Hockey Championships Division I – Group B | International |  Norway was promoted to Division I – Group A
 Lithuania was relegated to Division II – Group A |
| 9–16 | Sailing | 2017 Youth Sailing World Championships | International | Medal Table: .png) United States
Nations' Trophy: Italy |
| 10 | Athletics | 2017 European Cross Country Championships | Continental | Great Britain |
| 10 | Horse racing | 2017 Hong Kong Cup | International | Horse: Time Warp
Jockey: Zac Purton
Trainer: Anthony S. Cruz |
| 10–14 | Multi-sport | 2017 Asian Youth Para Games | Continental | Japan |
| 10–16 | Ice hockey | 2018 World Junior Ice Hockey Championships Division II – Group A | International | Japan was promoted to Division I – Group B
 Netherlands was relegated to Division II – Group B |
| 10–16 | Ice hockey | 2018 World Junior Ice Hockey Championships Division I – Group A | International |  Kazakhstan was promoted to Top Division
 Hungary was relegated to Division I – Group B |
| 12–17 | Volleyball |  2017 FIVB Volleyball Men's Club World Championship | International | VC Zenit-Kazan |
| 13–17 | Ice hockey |  / 2017 Channel One Cup | International | Russia |
| 13–17 | Badminton | 2017 BWF Super Series Finals | International | Men:  Viktor Axelsen
Women: Akane Yamaguchi |
| 13–17 | Swimming | 2017 European Short Course Swimming Championships | Continental | Russia |
| 14–17 | Table tennis | 2017 ITTF World Tour Grand Finals | International | Men: Fan Zhendong
Women: Chen Meng |
| 16 | Ice hockey | .svg.png) NHL 100 Classic | Domestic |  Ottawa Senators |
| 22–5 January 2018 | Association football |  23rd Arabian Gulf Cup | Regional |  Oman |
| 26–5 January 2018 | Ice hockey | 2018 World Junior Ice Hockey Championships | International | Canada |
| 30–6 January 2018 | Ski jumping | / 2017–18 Four Hills Tournament | International | Kamil Stoch |
| 30–7 January 2018 | Cross-country skiing | .svg.png) // 2017–18 Tour de Ski | International | Men: Dario Cologna
Women: Heidi Weng |