"U Don't Know Me (Like U Used To)" is a song by American recording artist Brandy Norwood. It was written by Isaac Phillips, Paris Davis, Sean Bryant, Rodney "Darkchild" Jerkins, and Norwood for her second studio album Never Say Never (1998), while production was handled by the latter. The track was released as the album's sixth and final single in fall 1999 (see 1999 in music).