Kim Kardashian has decided she will press charges against the woman who threw flour on her at an event Thursday night ... TMZ has learned.

Sources close to Kim tell TMZ she does not feel the woman who threw the flour at her should get away with it and that she should be held accountable for her actions. According to our sources, Kim didn't press charges that night because she didn't want to take herself away from the event, which was for charity.

We're told Kim will contact law enforcement in the next few days to tell them she wants to press charges. According to our sources, Kim wants to send the message that people are entitled to their opinion, but should not resort to violence.