<font color=navy>Not on the scale that WDW does. DL tried twice to have a Halloween event with trick or treating, special attractions (like cms dressed as pirates in pirates of the caribbean, etc.), but there weren't really enough guests to warrant all of that -- there is too much competition with Knotts, Universal Studios, and Magic Mountain.
However, in October, they do revamp the Haunted Mansion to the Nightmare Before Christmas, and that is very popular.
I've heard rumors that they might try a Halloween event again this year, but not sure.