| Year: | 2021 |
| Team: | Fairfield Stags |
| Sport: | baseball |
| Conference: | Metro Atlantic Athletic Conference |
| Short Conf: | MAAC |
| Cbrank: | 25 |
| Record: | 39–5 |
| Conf Record: | 33–1 |
| Head Coach: | Bill Currier |
| Hc Year: | 10th |
| Asst Coach1: | Brian Fay |
| Ac1 Year: | 3rd |
| Asst Coach2: | Jordan Tabakman |
| Ac2 Year: | 2nd |
| Asst Coach3: | Harry Sabo |
| Ac3 Year: | 1st |
| Captain: | Josh Arnold |
| Captain Year: | 4th |
| Captain2: | Matt Ferriero |
| Captain2 Year: | 4th |
| Stadium: | Alumni Baseball Diamond |
| Champion: | MAAC regular season champion |
| Tourney: | NCAA tournament |
| Tourney Result: | Austin Regional |
The 2021 Fairfield Stags baseball team represented Fairfield University during the 2021 NCAA Division I baseball season. The Stags played their home games at Alumni Baseball Diamond as a member of the Metro Atlantic Athletic Conference. They were led by head coach Bill Currier, in his 10th season at Fairfield.
Fairfield qualified for the NCAA tournament for the first time since 2016, and qualified for the first time ever as an at-large team. They reached the Austin Regional final, before losing to Texas.
The 2020 Fairfield Stags baseball team notched a 2–9 (0–0) regular season record. The season prematurely ended on March 12, 2020, due to concerns over the COVID-19 pandemic.
! colspan=2 style="" | Regular season (33–1)|-|- align="center" bgcolor="ddffdd"| March 20 || 11:30 am || SSN || || || Alumni Baseball Diamond
|| W 7–4 || McLoughlin (1–0) || Warner (0–1) || Grabek (1) || 26 || 1–0 || 1–0 || Report|- align="center" bgcolor="ddffdd"| March 20 || 2:15 pm || SSN || Canisius || || Alumni Baseball Diamond || W 13–4 || Sansone (1–0) || Barberio (0–1) || — || 25 || 2–0 || 2–0 || Report|- align="center" bgcolor="ddffdd"| March 21 || 11:30 am || SSN || Canisius || || Alumni Baseball Diamond || W 6–3 || Signore (1–0) || Frank (0–1) || Cafaro (1) || 50 || 3–0 || 3–0 || Report|- align="center" bgcolor="ddffdd"| March 21 || 2:15 pm || SSN || Canisius || || Alumni Baseball Diamond || W 8–0 || Noviello (1–0) || Fron (0–1) || — || 50 || 4–0 || 4–0 || Report|-|- align="center" bgcolor="ddffdd"| April 2 || 12:00 pm || SSN || || || Alumni Baseball Diamond || W 4–2 || Sansone (2–0) || Smith (1–2) || — || 25 || 5–0 || 5–0 || Report|- align="center" bgcolor="ddffdd"| April 2 || 2:30 pm || SSN || Iona || || Alumni Baseball Diamond || W 4–2 || Noviello (2–0) || Helmstetter (1–1) || Grabek (2) || 25 || 6–0 || 6–0 || Report|- align="center" bgcolor="ddffdd"| April 3 || 12:00 pm || SSN || Iona || || Alumni Baseball Diamond || W 7–0 || Signore (2–0) || Helmstetter (1–2) || — || 25 || 7–0 || 7–0 || Report|- align="center" bgcolor="ddffdd"| April 3 || 2:30 pm || SSN || Iona || || Alumni Baseball Diamond || W 10–2 || McVeigh (1–0) || Martin (1–2) || — || 25 || 8–0 || 8–0 || Report|- align="center" bgcolor="ddffdd"| April 7 || 12:00 pm || SSN || || || Alumni Baseball Diamond || W 6–3 || Grabek (1–0) || DeCarr (0–2) || Oliphant (1) || 25 || 9–0 || 9–0 || Report|- align="center" bgcolor="ddffdd"| April 7 || 3:00 pm || SSN || Quinnipiac || || Alumni Baseball Diamond || W 17–6 || Amone (1–0) || Mazza (0–1) || — || 25 || 10–0 || 10–0 || Report|- align="center" bgcolor="ddffdd"| April 9 || 12:00 pm || SSN || || || Alumni Baseball Diamond || W 8–3 || Sansone (3–0) || Audrey (2–2) || — || 20 || 11–0 || 11–0 || Report|- align="center" bgcolor="ddffdd"| April 9 || 3:00 pm || SSN || Rider || || Alumni Baseball Diamond || W 10–0 || Noviello (3–0) || Soporowski (3–1) || — || 20 || 12–0 || 12–0 || Report|- align="center" bgcolor="ddffdd"| April 10 || 12:00 pm || SSN || Rider || || Alumni Baseball Diamond || W 5–0 || Signore (3–0) || Doelling (2–1) || — || 35 || 13–0 || 13–0 || Report|- align="center" bgcolor="ddffdd"| April 10 || 3:00 pm || SSN || Rider || || Alumni Baseball Diamond || W 6–0 || Cafaro (1–0) || Williamson (1–1) || — || 35 || 14–0 || 14–0 || Report|- align="center" bgcolor="ddffdd"| April 14 || 12:00 pm || SSN || Quinnipiac || || Alumni Baseball Diamond || W 2–1 || Grabek (2–0) || Donnelly (2–2) || — || 30 || 15–0 || 15–0 || Report|- align="center" bgcolor="ddffdd"| April 14 || 3:00 pm || SSN || Quinnipiac || || Alumni Baseball Diamond || W 5–2 || Oliphant (1–0) || Mazza (0–2) || Sansone (1) || 30 || 16–0 || 16–0 || Report|- align="center" bgcolor="ddffdd"| April 17 || 12:00 pm || SSN || || || Alumni Baseball Diamond || W 3–2 || Sansone (4–0) || Klepchick (2–2) || — || 45 || 17–0 || 17–0 || Report|- align="center" bgcolor="ddffdd"| April 17 || 3:00 pm || SSN || Monmouth || || Alumni Baseball Diamond || W 8–2 || Noviello (4–0) || Dombroski (2–1) || — || 40 || 18–0 || 18–0 || Report|- align="center" bgcolor="ddffdd"| April 18 || 12:00 pm || SSN || Monmouth || || Alumni Baseball Diamond || W 4–3 || Oliphant (2–0) || Miller (0–1) || — || 40 || 19–0 || 19–0 || Report|- align="center" bgcolor="ddffdd"| April 18 || 3:00 pm || SSN || Monmouth || || Alumni Baseball Diamond || W 4–1 || Cafaro (2–0) || Long (2–1) || Grabek (3) || 45 || 20–0 || 20–0 || Report|- align="center" bgcolor="ddffdd"| April 21 || 12:00 pm || || at || || Joseph Jaroschak Field
|| W 20–2 || Ostensen (2–0) || Mahady (2–2) || — || 45 || 21–0 || 21–0 || Report|- align="center" bgcolor="ddffdd"| April 21 || 3:00 pm || || at Saint Peter's || || Joseph Jaroschak Field || W 9–0 ||colspan="4"|Forfeit || 22–0 || 22–0 || Report|- align="center" bgcolor="ddffdd"| April 23 || 12:00 pm || || at || || Van Cortlandt Park
|| W 16–4 || Sansone (5–0) || Knight (1–4) || — || 0 || 23–0 || 23–0 || Report|- align="center" bgcolor="ddffdd"| April 23 || 3:00 pm || || at Manhattan || || Van Cortlandt Park || W 12–4 || Noviello (5–0) || Mahoney (1–3) || — || 0 || 24–0 || 24–0 || Report|- align="center" bgcolor="ddffdd"| April 24 || 12:00 pm || || at Manhattan || No. 23 || Van Cortlandt Park || W 19–9 || Signore (4–0) || Muratalla (0–4) || — || 0 || 25–0 || 25–0 || Report|- align="center" bgcolor="ddffdd"| April 24 || 3:00 pm || || at Manhattan || No. 23 || Van Cortlandt Park || W 8–4 || Grabek (3–0) || Mahoney (1–3) || — || 0 || 26–0 || 26–0 || Report|-|- align="center" bgcolor="ddffdd"| May 1 || 12:00 pm || SSN || || No. 23 || Alumni Baseball Diamond || W 2–1 || Sansone (6–0) || Bovair (3–4) || — || 65 || 27–0 || 27–0 || Report|- align="center" bgcolor="ddffdd"| May 1 || 3:00 pm || SSN || Siena || No. 23 || Alumni Baseball Diamond || W 10–1 || Noviello (6–0) || McCully (2–5) || — || 75 || 28–0 || 28–0 || Report|- align="center" bgcolor="ffdddd"| May 2 || 12:00 pm || SSN || Siena || No. 23 || Alumni Baseball Diamond || L 1–6 || Lumpinski (3–1) || Signore (4–1) || — || 65 || 28–1 || 28–1 || Report|- align="center" bgcolor="ddffdd"| May 2 || 12:00 pm || SSN || Siena || No. 23 || Alumni Baseball Diamond || W 4–0 || Cafaro (3–0) || Knapek (1–2) || — || 65 || 29–1 || 29–1 || Report|- align="center" bgcolor="ddffdd"| May 8 || 12:00 pm || ESPN3 || at || No. 25 || Bobo Field
|| W 1–0 || Sansone (7–0) || Bruning (3–2) || — || 87 || 30–1 || 30–1 || Report|- align="center" bgcolor="ddffdd"| May 8 || 3:00 pm || ESPN3 || at Niagara || No. 25 || Bobo Field || W 4–1 || Noviello (7–0) || Jones (1–1) || Oliphant (3) || 85 || 31–1 || 31–1 || Report|- align="center" bgcolor="ddffdd"| May 9 || 12:00 pm || ESPN3 || at Niagara || No. 25 || Bobo Field || W 10–8 || Fitzgerald (1–0) || Hospital (2–1) || Grabek (4) || 86 || 32–1 || 32–1 || Report|- align="center" bgcolor="ddffdd"| May 9 || 3:00 pm || ESPN3 || at Niagara || No. 25 || Bobo Field || W 8–5 || Cafaro (4–0) || Smyth (0–2) || McVeigh (1) || 71 || 33–1 || 33–1 || Report|-|-|-|- align="center" bgcolor="ddffdd"| May 20 || 11:00 am || ESPN+ || vs. (8)
|| (1) No. 23 || Alumni Baseball Diamond || W 2–1 || Sansone (8–0) || Muratalla (3–5) || Cafaro (2) || 125 || 34–1 || 1–0 || Report|- align="center" bgcolor="ddffdd"| May 20 ||2:30 pm || ESPN+ || vs. (8) Manhattan
|| (1) No. 23 || Alumni Baseball Diamond || W 8–5 || Signore (5–1) || Solimine (1–4) || — || 125 || 35–1 || 2–0 || Report|- align="center" bgcolor="ffdddd"| May 26 ||11:00 am || ESPN+ || vs. (4) Canisius
|| (1) No. 23 || Alumni Baseball Diamond || L 1–4 || Duffy (3–0) || Sansone (8–1) || — || 225 || 35–2 || 2–1 || Report|- align="center" bgcolor="ddffdd"| May 27 ||11:00 am || ESPN+ || vs. (2)
|| (1) No. 23 || Alumni Baseball Diamond || W 3–1 || Noviello (8–0) || Klepchick (4–4) || — || 150 || 36–2 || 3–1 || Report|- align="center" bgcolor="ddffdd"| May 28 || 9:30 am || ESPN+ || vs. (4) Canisius
|| (1) No. 23 || Alumni Baseball Diamond || W 8–2 || McLoughlin (2–0) || Fron (1–3) || — || 215 || 37–2 || 4–1 || Report|- align="center" bgcolor="ffdddd"| May 28 || 1:30 pm || ESPN+ || vs. (3)
|| (1) No. 23 || Alumni Baseball Diamond || L 2–7 || Papeo (4–2) || Signore (5–2) || Stalzer (6) || 215 || 37–3 || 4–2 || Report|-|- align="center" bgcolor="ffdddd"| June 4 || 7:00 pm || ESPN3 || vs. (2) No. 19 Arizona State*
|| (3) No. 25 || UFCU Disch–Falk Field
|| L 6–7 || Glenn (6–2) || Sansone (8–2) || — || 4,909 || 37–4 || 0–1 || Report|- align="center" bgcolor="ddffdd"| June 5 || 2:00 pm || ESPN3 || vs. (4) Southern*
|| (3) No. 25 || UFCU Disch–Falk Field || W 6–2 || Noviello (9–0) || Guienze (1–6) || — || 5,447 || 38–4 || 1–1 || Report|- align="center" bgcolor="ddffdd"| June 6 || 2:00 pm || ESPN3 || vs. (2) No. 19 Arizona State*
|| (3) No. 25 || UFCU Disch–Falk Field || W 9–7 || Sansone (9–2) || Corrigan (2–2) || Signore (2) || 6,981 || 39–4 || 2–1 || Report|- align="center" bgcolor="ffdddd"| June 7 || 2:00 pm || ESPN3 || at (1) No. 4 Texas*
|| (3) No. 25 || UFCU Disch–Falk Field || L 2–12 || Hansen (9–1) || Erbeck (0–1) || — || 6,853 || 39–5 || 2–2 || Report|-|-| style="font-size:88%" |Legend: = Win = Loss = Tie = Canceled Bold = Rhode Island team member * Non-conference game|-| style="font-size:88%" | *Denotes non–conference game • Schedule source • Rankings based on the teams' current ranking in the NCBWA poll
See also: 2021 NCAA Division I baseball rankings.