Charlie Sheen -- My 'Whale Wars' Boat Has Been Seized!

The Danish Navy is about to feel the wrath of Charlie Sheen ... because he tells TMZ they've illegally seized a boat he donated to Paul Watson and his boys over at "Whale Wars."

Sheen tells TMZ ... he purchased a 40-foot Zodiac, the BS Sheen, for Watson ... but it was seized late Saturday and perhaps even destroyed.

Sheen is understandably upset, but says he's proud a boat with his name has been out there doing good work. He vows, "This level of insidious and vicious corruption must be dealt with swiftly and harshly."