4U or 4 U may refer to:

• 4U (album), by Elva Hsiao, 2002
• 4U (Christina Milian EP), 2015
• 4 U (Cody Simpson EP), 2010
• 4U: Outside, an EP by BtoB, 2021
• "4U", a song by Aero Chord, 2015
• "4 U", a song by Korn from Issues, 1999
• "4U", a song by Pi'erre Bourne from The Life of Pi'erre 5, 2021

• Germanwings (former IATA code: 4U), a former German low-cost airline subsidiary of Lufthansa
• 4U, a rack unit size
• 4U, the final (4th) catalog of Uhuru x-ray sources

• U4 (disambiguation)
• For You (disambiguation)

Topics referred to by the same term

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