"U Will Know" is a song by American R&B supergroup Black Men United, released in 1994 via Mercury Records.

It is featured on the soundtrack to the 1994 film Jason's Lyric and the group's only song.

In the song, the singers shed light on the rapid deaths of young African American males due to Black-on-Black crime.

The proceeds from the record were donated to charities and to promote the message of peace.

[1] This 1990s R&B/soul music song-related article is a stub.