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
See also U7 (disambiguation)