Horst Piepenburg (born 9 March 1954) is a German jurist specialising in bankruptcy law. He is the co-founder of , one of the leading bankruptcy law firms in Germany, and has worked more than 1,000 insolvency cases, including and PIN Group. In June 2009, Piepenburg was appointed bankruptcy manager of Arcandor, the "biggest insolvency currently underway in Germany." He resigned from this post in July, citing the "lack of support by Arcandor's large shareholder," private bank Sal. Oppenheim, as the reason for his decision.