Is GTA: San Andreas on PS3? Not Natively – But Playable via PS2 BC, PS2 Classics (Delisted), or Definitive Edition on PS4/5

Not natively. But playable via:

• PS2 disc on launch PS3 (fat, 20/60 GB models): Hardware backward compatibility.
• PS2 Classics (PS Store): Was available digitally but delisted (2016). If previously purchased, redownloadable.
• PS Now/Plus Premium: Not in current catalog.
• PS4/PS5: GTA: San Andreas – The Definitive Edition (2021 remaster) — best modern way.
• PC: Original + mods / Definitive Edition.

For trophy/achievement hunters or modern convenience: Definitive Edition on PS4/PS5.