U Know may refer to:

• "U Know", a song by Prince from the album Art Official Age
• "U Know", a song by Reks from Rhythmatic Eternal King Supreme
• "U know", a song by Willow from her 2019 album Willow
• Yunho, artist who performs under the stage name U-Know

• "You know", a phrase frequently used as a discourse marker

This disambiguation page lists articles associated with the title U Know.
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