| NFL – Championships – Super Bowl – Results (AFC Championship) | 2024 | | 28 January |
| World Rally Championship (WRC) – Rallies – Rally Monte-Carlo | 2024 |  | 25–28 January |
| ATP Tour – Grand Slam – Australian Open | 2024 | | 14–28 January |
| World Championships – Mixed – Team relay | 2024 | | 28 January |
| World Championships – Women – Singles | 2024 | | 28 January |
| NFL – Championships – Super Bowl – Results (NFC Championship) | 2024 | | 28 January |
| ATP Tour – Grand Slam – Australian Open (Final) | 2024 | | 28 January |
| Honbasho – Hatsu Basho (January) | 2024 | | 14–28 January |
| World Championships – Men – Singles | 2024 | | 27 January |
| WTA Tour – Grand Slam – Australian Open | 2024 | | 14–27 January |
| World Championships – Women – Doubles | 2024 | | 27 January |
| World Championships – Men – Doubles | 2024 | | 27 January |
| WTA Tour – Grand Slam – Australian Open (Final) | 2024 | | 27 January |
| World Championships – Women – Sprint, doubles | 2024 | | 26 January |
| World Championships – Men – Sprint | 2024 | | 26 January |
| World Championships – Men – Sprint, doubles | 2024 | | 26 January |
| World Championships – Women – Sprint | 2024 | | 26 January |
| ATP Tour – Grand Slam – Australian Open (Semifinal #1) | 2024 | | 26 January |
| ATP Tour – Grand Slam – Australian Open (Semifinal #2) | 2024 | | 5–7 3–6 7–6(4) 7–6(5) 6–3 | | |
| 26 January |
| WTA Tour – Grand Slam – Australian Open (Semifinal #1) | 2024 | | 25 January |
| WTA Tour – Grand Slam – Australian Open (Semifinal #2) | 2024 | | 25 January |
| ATP Tour – Grand Slam – Australian Open (Quarterfinal #3) | 2024 | | 24 January |
| ATP Tour – Grand Slam – Australian Open (Quarterfinal #1) | 2024 | | 24 January |
| ATP Tour – Grand Slam – Australian Open (Quarterfinal #4) | 2024 | | 24 January |
| ATP Tour – Grand Slam – Australian Open (Quarterfinal #2) | 2024 | | 24 January |
| WTA Tour – Grand Slam – Australian Open (Quarterfinal #1) | 2024 | | 23 January |
| WTA Tour – Grand Slam – Australian Open (Quarterfinal #2) | 2024 | | 23 January |
| WTA Tour – Grand Slam – Australian Open (Quarterfinal #3) | 2024 | | 23 January |
| WTA Tour – Grand Slam – Australian Open (Quarterfinal #4) | 2024 | | 23 January |
| Europe Top-16 – Women | 2024 | | 20–21 January |
| Europe Top-16 – Men | 2024 | | 20–21 January |
| NFL – Championships – Super Bowl – Results (AFC Divisional #2) | 2024 | | 21 January |
| NFL – Championships – Super Bowl – Results (NFC Divisional #2) | 2024 | | 21 January |
| Ultimate Fighting Championship – Men – Middleweight | 2024 | | 20 January |
| NFL – Championships – Super Bowl – Results (AFC Divisional #1) | 2024 | | 20 January |
| NFL – Championships – Super Bowl – Results (NFC Divisional #1) | 2024 | | 20 January |
| Ultimate Fighting Championship – Women – Bantamweight | 2024 | | 20 January |
| Rally Raid – Dakar Rally | 2024 | | 6–19 January |
| Rally Raid – Dakar Rally | 2024 | | 6–19 January |
| NFL – Championships – Super Bowl – Results (NFC Wild Card) | 2024 | | 15 January |
| NFL – Championships – Super Bowl – Results (AFC Wild Card) | 2024 | | 15 January |
| NFL – Championships – Super Bowl – Results (NFC Wild Card) | 2024 | | 14 January |
| NFL – Championships – Super Bowl – Results (NFC Wild Card) | 2024 | | 14 January |
Past events
