Bengisu (Turkish: Water of Life) is a Turkish feminine given name and a surname. It is a compound word: bengi refers to eternal and su refers to water in Turkish. Notable people with the name are as follows:

Given name First name Bengisu Avcı (born 1996), Turkish long-distance swimmer Bengisu Erçetin (born 2001), Turkish badminton player

Middle name Nihal Bengisu Karaca (born 1972), Turkish journalist

Surname Buket Bengisu (born 1978), known as Buket Bengisu and Group Safir, Turkish musical artist Lerzan Bengisu (1906–1978), Turkish sculptor and woodcrafter

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