Don't You Know That?

"Don't You Know That?"
Side-A label of the U.S. vinyl single
Single by Luther Vandross
from the album Never Too Much
B-side	"I've Been Working"
Released	December 1981 (U.S.)
Genre	R&B, quiet storm
Length	4:01
Label	Epic
Songwriter(s)	Luther Vandross
Producer(s)	Luther Vandross, Larkin Arnold
Luther Vandross singles chronology
"Never Too Much" (1981) "Don't You Know That?" (1981) "If This World Were Mine" (1982)

"Don't You Know That?" is a song by American recording artist Luther Vandross. The song was released as the second single in support of the album Never Too Much.

The single followed Vandross's number 1 R&B hit, "Never Too Much". In January 1982, Vandross scored his second top ten R&B hit when "Don't You Know That? peaked at No. 10 on the Billboard Hot R&B Singles.^[1]