Alexander Hacke (also known as Alexander von Borsig, Alex Hacke, Hacke, born 11 October 1965) is a German guitarist, bass guitarist, singer, musician, record producer, writer and filmmaker. He is primarily known as a longtime member of the influential German industrial music group Einstürzende Neubauten.

Hacke has released two full-length solo albums, and has also collaborated with many other artists, such as Robert Rutman, The Tiger Lillies, Danielle de Picciotto, FM Einheit, Crime & the City Solution, Phew, Gianna Nannini, Gry, Miranda Sex Garden, Terranova, Sprung aus den Wolken, Wovenhand, David Yow, Mona Mur, Die Ichs, Schlaflose Naechte, Fred Alpi and others. Since 2010, his main band next to Einstürzende Neubauten is hackedepicciotto together with Danielle de Picciotto.