| 2021 in UFC | ||||
|---|---|---|---|---|
 | ||||
| Information | ||||
| First date | January 16, 2021 | |||
| Last date | December 18, 2021 | |||
| Events | ||||
| Total events | 43 | |||
| UFC | 13 | |||
| TUF Finale events | 1 | |||
| Fights | ||||
| Total fights | 509 | |||
| Title fights | 19 | |||
| Chronology | ||||
| ||||
The year 2021 was the 29th year in the history of the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States.