About Jagiellonia Białystok — Jagiellonia Białystok is a professional football club from Poland competing in Ekstraklasa. This page provides the primary crest and social media icon (SVG & PNG) with transparent backgrounds for editorial/reference use. For official brand rules, consult the club’s official site. Jagiellonia Białystok crest and related marks are trademarks of their respective owners; high‑quality logo files are provided above on this page.