| Josimar Heredia | |
| Fullname: | Gerardo Josimar Heredia Ávila |
| Birth Date: | 26 November 1993 |
| Birth Place: | Guadalajara, Jalisco, Mexico |
| Currentclub: | Toluca |
| Clubnumber: | 84 |
| Position: | Centre back |
| Youthyears1: | 2010–2014 |
| Youthclubs1: | Deportivo Toluca |
| Years1: | 2014–2016 |
| Clubs1: | Toluca |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2014–2015 |
| Clubs2: | → Tlaxcala (loan) |
| Caps2: | 7 |
| Goals2: | 0 |
| Years3: | 2015–2016 |
| Clubs3: | → Toluca Premier (loan) |
| Caps3: | 22 |
| Goals3: | 3 |
| Years4: | 2017– |
| Clubs4: | La Piedad |
| Caps4: | 10 |
| Goals4: | 0 |
| Club-Update: | 16 August 2019 |
Gerardo Josimar Heredia Ávila (born 26 November 1993) is a Mexican footballer who plays as a centre back for Liga Premier de México club La Piedad.
Heredia played for Deportivo Toluca in the u-17 and u-20 categories from 2010 to 2014. He was then registered with the first team and then loaned to Tlaxcala FC.
On 13 April 2014, Heredia made his officially debut in the top division, coming as substitute at minute 87' for Jorge Sartiaguin against Club León, the Red Devils won 2–1.