U10

U10 may refer to:

Naval vessels

 * GERMAN SUBMARINE U-10, various vessels
 * , a sloop of the Royal Indian Navy, and later the Indian Navy, as INS Cauvery
 * U-10-class submarine of the Austro-Hungarian Navy
 * SM U-10, the lead boat of the class

Other uses

 * U10 (Berlin U-Bahn), a planned transit line
 * Helio U-10 Courier, an American utility aircraft
 * Iriver U10, a portable music player
 * Meizu U10, a Chinese smartphone
 * Rhombicuboctahedron
 * Toyota Coaster (U10), a Japanese minibus
 * Uppland Runic Inscription 10