| Facundo Monteseirín | |
| Fullname: | Facundo Daniel Monteseirín |
| Birth Date: | 1995 3, df=yes |
| Birth Place: | Cutral Có, Argentina |
| Position: | Centre-back |
| Currentclub: | Unión San Felipe |
| Youthyears1: | –2013 |
| Youthclubs1: | Lanús |
| Years1: | 2013–2019 |
| Caps1: | 26 |
| Goals1: | 0 |
| Clubs1: | Lanús |
| Years2: | 2017–2018 |
| Caps2: | 25 |
| Goals2: | 1 |
| Clubs2: | → Arsenal de Sarandí (loan) |
| Years3: | 2019–2020 |
| Caps3: | 17 |
| Goals3: | 3 |
| Clubs3: | San Martín SJ |
| Years4: | 2020–2021 |
| Caps4: | 1 |
| Goals4: | 0 |
| Clubs4: | Tigre |
| Years5: | 2022–2023 |
| Caps5: | 13 |
| Goals5: | 0 |
| Clubs5: | Nueva Chicago |
| Years6: | 2023 |
| Caps6: | 9 |
| Goals6: | 0 |
| Clubs6: | Chaco For Ever |
| Years7: | 2024– |
| Caps7: | 0 |
| Goals7: | 0 |
| Clubs7: | Unión San Felipe |
| Nationalyears1: | 2015 |
| Nationalteam1: | Argentina U-20 |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 1 |
| Club-Update: | 7 June 2024 |
Facundo Daniel Monteseirín (born 12 March 1995) is an Argentine professional footballer who plays as a centre-back for Unión San Felipe in the Primera B de Chile.
In June 2024, Monteseirín moved to Chile and signed with Unión San Felipe in the Primera B.[1]