AC-15 may refer to: AC-15, the IEC Utilization categories indicating the type of electrical load Autovía AC-15, a Spanish highway in the province of A Coruña, Galicia Honda AC15, a retro style single cylinder motorcycle USS Brutus (AC-15), former steamer Peter Jebsen, a collier in the US Navy Vox AC15, the first guitar amplifier designed by Vox