| Mariano Celasco | |
| Fullname: | Mariano Gabriel Celasco Rossi |
| Birth Date: | 1986 10, df=yes |
| Birth Place: | La Plata, Argentina |
| Height: | 1.68 m[1] |
| Position: | Midfielder |
| Youthclubs2: | Defensa y Justicia |
| Years1: | 2005–2007 |
| Clubs1: | Defensa y Justicia |
| Caps1: | 47 |
| Goals1: | 2 |
| Years2: | 2008–2011 |
| Clubs2: | Rangers |
| Caps2: | 75 |
| Goals2: | 4 |
| Years3: | 2011 |
| Clubs3: | Tiro Federal |
| Caps3: | 6 |
| Goals3: | 0 |
| Years4: | 2011–2012 |
| Caps4: | 18 |
| Goals4: | 1 |
| Years5: | 2012–2015 |
| Clubs5: | Lota Schwager |
| Caps5: | 65 |
| Goals5: | 1 |
| Years6: | 2015–2016 |
| Clubs6: | Rangers |
| Caps6: | 23 |
| Goals6: | 0 |
Mariano Gabriel Celasco Rossi (born 2 October 1986) is an Argentine former footballer who played as a midfielder. He is remembered for his spell at Rangers de Talca.
Defensa y Justicia 2005–2007 Tiro Federal 2011 Villa San Carlos 2011–2012Celasco made his home in Talca, Chile, and naturalized Chilean by residence in 2016.[5]
Celasco is a candidate to councillor for Talca commune in the 2024 Chilean municipal elections supported by Independent Democratic Union.[6]