4U (astronomical Catalogue)

4U or 4 U may refer to:

Music

* ''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
* "4U", a song by Blackbear from '' Deadroses'', 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

Other uses

* 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

See also

* U4 (disambiguation)
* For You (disambiguation)

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