U5 or U-5 may refer to: Vehicles and transportation Air transport The IATA designator code for USA3000 Airlines Automobiles Aiways U5, a Chinese compact electric SUV Luxgen U5, a Tawianese subcompact SUV Roads and routes U5 (Berlin U-Bahn), a subway line in Berlin, Germany U-5, a subway line on the Munich U-Bahn in Germany Utah State Route 5, two different highways Submarines German submarine U-5, one of several German submarines the lead boat of the class U-5 class submarine (Austria-Hungary), a class of three submarines built 1908–1911 SM U-5 (Austria-Hungary), the lead boat of the class Statistics U5, an unemployment figure released by the United States Bureau of Labor Statistics Science U5 spliceosomal RNA mtDNA haplogroup U5, a subdivision of Haplogroup U (mtDNA) Entertainment Ultima V: Warriors of Destiny, a computer role-playing game U5, a music partnership between X5 Music Group and Universal Records