The Rezan Has Museum is a private museum in Istanbul, Turkey dedicated to culture and arts. It is a museum space that connects the past to the future with the 17th century Ottoman building remains and the 11th century Byzantine water cistern, enriching its collection by incorporating documents and objects belonging to the Cibali Tobacco Factory in 2009. Ahu Has daughter in law of the philanthropist Turkish businessman Kadir Has, founded the museum in May 2007. The museum is named after Rezan Ha