| Jonatan Castellano | |
| Nationality: |  Argentina |
| Birth Date: | 16 May 1985 |
| Birth Place: | Lobería, Buenos Aires Province, Argentina |
| Last Series: | Turismo Carretera |
| Years Active: | 2006–present |
| Teams: | Castellano Power Team |
| Starts: | 273 |
| Wins: | 8 (Finals) 19 (Heats) |
| Poles: | 8 |
| Fastest Laps: | 5 |
| Best Finish: | 2nd |
| Year: | 2018 |
| Prev Series: | TC Pista Turismo Nacional TC Pick Up |
| Prev Series Years: | 2001–2003 2004–2005 2020–2023 2018, 2020 |
| Titles: | TC Pista |
| Title Years: | 2005 |
Jonatan Oscar Roberto Castellano (born May 16, 1985, in Lobería, Buenos Aires Province) is an Argentine racing driver. He has secured two national championships, the TC Pista championship in 2005 and the Turismo Nacional Clase 3 championship in 2022.
He has been a Turismo Carretera driver since 2006, competing with the family team Castellano Power Team with a Dodge Cherokee. His first victory came in May 2010 in Rafaela.[1] In 2018, he secured the runner-up position behind Agustín Canapino.[2] He is also a regular driver in Turismo Nacional Clase 3, where he finished third in 2021 and became the champion in 2023 driving a Chevrolet Cruze.[3]
He is the son of the former Turismo Carretera champion, Oscar Castellano. Together they lead the Castellano Power Team.[4]