"I Know" is the debut solo single by American singer-songwriter Philip Bailey, released in 1983 by Columbia Records.

[1] The single's B-side is "The Good Guy's Supposed to Get the Girls".

Both "I Know" and "The Good Guy's Supposed to Get the Girls" are from Bailey's 1983 album Continuation.

[1] Eleanor Levy of Record Mirror scribed "pleasant melody, beautifully performed.

[3] Paul Willistein of The Morning Call proclaimed that George Duke's "keyboard and synthesizer part turn I Know into the album's best cut".