The KitKatKlub (KKK) is a nightklub in Berlin, opened in March 1994 by Austrian pornographic filmmaker Simon Thaur and his life partner Kirsten Krüger.

The KitKatklub is known for its sexually uninhibited parties. Guests are allowed to engage in sexual intercourse openly at the venue. The motto of the klub is "do what you want but stay in communication". Patrons are diverse, including heterosexuals and members of the LGBT+ community.

A strict dress code is applied for entry at the door, often enforced by Kirsten Krüger herself during the "Carneball Bizarre klub Night" events, held on Saturdays, and requiring fetish, latex, leather, kinky, high style, and glamour. The venue consists of three dance floors and an outdoor area with a pool. It is decorated with ultra-violet light and fluorescent colour paintings by the Berlin-based painter Vigor Calma aka "Der Träumer" (the dreamer).

Nowadays, the emphasis in the klub is more on music and dancing than on sexual activities.

The klub has moved three times since its opening in 1994. It opened in Glogauer Straße in the Kreuzberg district in the former Turbine. In 1999 it moved to Neues Schauspielhaus at Nollendorfplatz, and in 2001 to another lot in the district Tempelhof (which became part of Schöneberg in 2000) in Bessemer Straße. At the beginning of July 2007, it moved to the Sageklub in the Mitte district at Brückenstraße 1.

When the KitKat opened its doors in 1994 the musical profile of the klub was mainly classical trance mixed with goa trance, but through the years the klub has opened up to a wider selection of electronic music. A KitKat record label was founded in 2005 and two CDs were released, Hedonistic Nightlife in Berlin and The Piep Show Compilation #0.

The KitKatklub Berlin celebrated its 20th anniversary on March 1, 2014. At that time a novel about the early years of KitKat was published under the same name KitKatklub, written by Vigor Calma. In 2019, a new edition of the novel appeared under the title Rausch in Berlin (German language only).

After the closing and the loss of any income due to the COVID-19 pandemic, the KitKatklub set up a website to support the klub and transmit streams live from the location. The klub started offering COVID-19 tests in December 2020.

On March 2, 2024, the KitKatklub celebrated its 30th anniversary at the "Disco Bizarre" event.

The name KitKatklub is inspired by the frivolous Berliner nightklub featured in the American musical Cabaret. Harold Prince's Cabaret was set in Berlin in the early 1930s, against the backdrop of the ascent of the Nazi party, at a burlesque theatre called the "Kit Kat klub". The name originated from the Kit-Cat klub, an 18th-century English liberal political society.

• List of electronic dance music venues
• Sex positive

• (in English) KitKatklub's official website
• (in German)streaming-site
• (in English) KitKatklub DVD booklet (English/Deutsch – PDF) Archived 2019-10-29 at the Wayback Machine 1994–2005 – History of the KitKatklub by Kirsten.
• (in German) KitKat-photo gallery – Opening @ sageklub July 2007
• (in English) Read KitKatklub's reviews on Berlin-Life.com
• (in German) „Die Bühne ist der Star“ – about the KitKatklub, by Henning Kober, die tageszeitung (taz), 28. Feb. 2004
• (in German) „Erlaubt ist, was gefällt“ – by Elmar Schütze, Berliner Zeitung vom 3. Mai 2001
• (in German) "Locker trotz SM" – S&M view about the KitKatklub
• (in German) KitKatklub @ Alter Wartesaal (Köln)
• (in English) KitKatklub @ klubguideberlin

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