7U

7U or 7-U may refer to:


 * 7U. IATA code for Aviaenergo
 * Ciroën 7U
 * HT-7U, internal designation for Experimental Advanced Superconducting Tokamak
 * One of the possible sizes of a rack unit, 10.50-inches (266.70mm) nominal. See rack mount.
 * P2V-7U, a model of Lockheed P-2 Neptune
 * Su-7U, a model of Sukhoi Su-7
 * Yak-7U, a model of Yakovlev Yak-7
 * I-7U, a model of Mikoyan-Gurevich I-75
 * Type 7U, a model of Gnevny class destroyer