Orgelbau Mebold is a company building pipe organs in Siegen, Germany. It was founded in 1967 by Hans Peter Mebold (27 April 1942 – 21 July 2001), and has been run since 2018 by his son Mathias Mebold (born 1978). The company builds new organs, restores historic instruments, and specializes in portable small instruments (Truhenorgel).