2021 Dayton Flyers baseball team
The 2021 Dayton Flyers baseball team represented the University of Dayton during the 2021 NCAA Division I baseball season. The Flyers played their home games at Woerner Field as a member of the Atlantic 10 Conference. They were led by head coach Jayson King, in his 4th season at Dayton.
Dayton finished the season second overall in the Atlantic 10 standings, and reached the A-10 Final Series, before losing to VCU.
Previous season
The 2020 Dayton Flyers baseball team recorded a 6–8 regular season record. The season prematurely ended on March 12, 2020, due to concerns over the COVID-19 pandemic.Preseason
Coaches Poll
The Atlantic 10 baseball coaches' poll was released on February 18, 2021. Dayton was picked to finish third in the Atlantic 10.| Coaches' Poll | - | - |
| 1 | VCU | 151 |
| 2 | Fordham | 149 |
| 3 | Dayton | 146 |
| 4 | Davidson | 117 |
| 5 | Saint Louis | 114 |
| 6 | Richmond | 109 |
| 7 | Rhode Island | 103 |
| 8 | George Washington | 74 |
| 9 | Saint Joseph's | 71 |
| 10 | George Mason | 46 |
| 11 | La Salle | 40 |
| 12 | St. Bonaventure | 32 |
| 13 | UMass | 31 |