Alexander Hacke (also known as Alexander von Borsig, Alex Hacke, Hacke, born 11 October 1965 in Berlin/Neukölln) is a guitarist, bass guitarist, singer, musician and record producer from Germany. He is primarily known as a longtime member of the influential German industrial musicgroup Einstürzende Neubauten.

Hacke has released two full-length solo albums, and has also collaborated with many other artists, such as The Tiger Lillies, Danielle de Picciotto, Crime & the City Solution, Gianna Nannini, Gry,Miranda Sex Garden, Terranova, Sprung Aus Den Wolken, Wovenhand, Mona Mur, Die Ichs, Schlaflose Naechte, Fred Alpi and others.