You Know the Number is an album by Henry Threadgill released on the RCA Novus label in 1986.

The album features six of Threadgill's compositions performed by Threadgill's Sextett with Frank Lacy, Rasul Siddik, Fred Hopkins, Diedre Murray, Pheeroan akLaff and Reggie Nicholson.

[1] The Allmusic review by Stephen Cook awarded the album 4½ stars, stating, "This title is a must for Threadgill fans and also worthwhile for those interested in the experimental side of jazz".

[2] All compositions by Henry Threadgill Recorded at Uptown Chelsea Sound, New York City on October 12 & 13, 1986