Will Smith's son wants everyone to know ... his father's marriage is NOT OVER.
Trey Smith -- Will's son from a previous marriage -- went to his Twitter page and blasted the message, "Will and Jada getting a DIVORCE ..NOT TRUE AT ALL !! RETWEET."
Early this morning, In Touch Weekly reported that the two had separated. Will and Jada have been married for 13 years and have 2 children together.