Rory McIlroy has seemingly called off his divorce ... his attorney filed a notice of voluntary dismissal on his behalf on Tuesday -- and the case has now been closed.
It's not clear yet why the golf star had the apparent change of heart ... we've reached out to his lawyer, Thomas Sasser, for comment -- but so far, no word back yet.
The 35-year-old had just opened the case in Florida on May 13 ... indicating he was ready to split with his wife, Erica Stoll, after seven years of marriage.