Anna Maria van Giersbergen (born March 8, 1973, Sint Michielsgestel), known artistically as Anneke van Giersbergen, is a Dutch singer, songwriter, guitarist and pianist who became known worldwide as the lead singer and songwriter for the Dutch progressive/alternative rock band, The Gathering, between 1995 and 2007. Currently she has a solo career. The project was originally called Agua de Annique, but now goes by her own name.

A frequent collaborator of Arjen Anthony Lucassen, she portrayed main characters in the albums Into the Electric Castle, 01011001 and The Theater Equation by his project Ayreon. In 2014 they created a new band together, The Gentle Storm, with a first album titled The Diary released in 2015.

Van Giersbergen has also worked with Devin Townsend, Within Temptation, Anathema, Lawn, Farmer Boys, Napalm Death, Moonspell, Novembers Doom, Globus, Giant Squid, and many other artists and projects.