TMZ/Rueters

Jean-Claude Van Damme Draws Crowd, Paris Thief Escapes ... Les Oops!!!

Jean-Claude Van Damme is so damn famous, all eyes were glued on him instead of a nearby thief -- with great timing -- who made off with millions in jewels ... on a scooter.

So, get this ... a grey-haired man in a suit reportedly held up the high-end jewelry store Chaumet in Paris earlier this week. Cops say he pulled a knife during the robbery, and while no one was injured ... the suspect took off with a "monumental haul" in jewels and gemstones. Cops say he nabbed somewhere between $2.4 million and $3.5 mil.

What's shocking is the guy got away on a green, electric scooter ... which makes ya wonder how he was able to pull this off -- and that's where JCVD comes in.

Law enforcement says there were plenty of potential witnesses nearby, but they were all distracted by Van Damme ... who was inside a nearby optometrist's office.

The "Bloodsport" and "Street Fighter" star had inadvertently drawn the attention of just about everyone on the block ... allowing Scooter McJewelThief to make a clean getaway.

Well, nearly clean. Cops did have surveillance cameras, and we've confirmed they arrested 2 suspects in connection with the heist. We're told cops also recovered a substantial part of the stolen jewelry.

All's well that ends well ... and Van Damme didn't even have to lift a finger.

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