U10 may refer to:
Naval vessels , various vessels , a sloop of the Royal Indian Navy, and later the Indian Navy, as INS Cauvery of the Austro-Hungarian Navy , 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