How to report a player who is threatening with harming another person or a place
Reporting your own behavior won't prevent action.
How to submit feedback or report an issue with the matchmaking system
Troubleshooting reports about spam friend requests
How to identify and report suspicious communications received by mail, text or chat in Blizzard games.
How to submit feedback about our website or request features
Troubleshooting for issues loading the BattleTag or Real ID friend list
How to obtain error logs for Blizzard games