| Clubname: | JKS 1909 Jarosław |
| Upright: | 0.8 |
| Fullname: | Jarosławski Klub Sportowy 1909 Jarosław |
| Founded: | (as Pogoń Jarosław) |
| Ground: | JKS Stadium |
| Capacity: | 2,074 |
| Chairman: | Gracjan Dziukiewicz |
| Manager: | Bogdan Zając |
| League: | IV liga Subcarpathia |
| Season: | 2023–24 |
| Position: | IV liga Subcarpathia, 11th of 18 |
| Pattern B1: | _blackstripes |
| Leftarm1: | 0000FF |
| Body1: | 0000FF |
| Rightarm1: | 0000FF |
| Shorts1: | 000000 |
| Socks1: | 0000FF |
| Website: | http://www.czarno-niebiescy.pl |
JKS 1909 Jarosław is a Polish football club based in Jarosław. They currently play in the IV liga Subcarpathia, the fifth tier of the Polish football league.
JKS Jarosław was officially formed in 1909 as Pogoń Jarosław, and entered the Eastern Galicia league several years later. After World War I the club changed its name to JKS Jarosłavia. In 1938, JKS Jarosłavia was changed to JKS Jarosław. On 25 May 1947, the new stadium was opened. To celebrate the opening of the stadium, JKS Jarosław played a friendly against Wisła Kraków, and Polonia Przemyśl. In 1962, JKS Jarosław played in the third tier of the Polish football league system, and achieved a club record highest league finish of second position.[1]