About San Martín (SJ) — San Martín (SJ) is a professional football club from Argentina competing in the Liga Profesional. 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. San Martín (SJ) crest and related marks are trademarks of their respective owners; high‑quality logo files are provided above on this page.