"Heaven Knows" is a 1993 song by American singer-songwriter Luther Vandross, released as the second single from his eight studio album, Never Let Me Go. It peaked in the top 30 on both Billboard's Hot R&B Singles and the Hot Dance Club Play, and also at thirty-three on the Hot Adult Contemporary Singles chart.
"Heaven Knows" was nominated for Best R&B Song alongside "Little Miracles (Happen Every Day)" (also from Never Let Me Go) at the 36th Annual Grammy Awards in March 1994, losing to "That's the Way Love Goes" by Janet Jackson.