AP – FILE -- In this Dec. 10, 2008 file photo, actor Mel Gibson attends the 9th Annual Global Green Design …
Robyn Gibson filed the petition in Los Angeles, citing irreconcilable differences.
The petition doesn't give any details about the split. Robyn Gibson is seeking jewelry and some other property, and has suggested joint custody for their 9-year-old son.
The records show the couple were married in June 1980.
They issued a joint statement Monday, saying they have "always strived to maintain the privacy and integrity of our family and will continue to do so."
Gibson is one of Hollywood's biggest names, with a pair of Oscar wins for best picture and director for "Braveheart."
The divorce was first reported by celebrity gossip site TMZ.
