Zengin (Zengîn) is a Kurdish and Turkish first or a surname. In Kurdish it is mostly the first name, while in Turkish it is more common to be a surname. Other variations of it are Zangin and Zangîn. Notable people with the surname include:
Erkan Zengin, Swedish footballer of Turkish descent İbrahim Zengin, Turkish wrestler Kerim Zengin, Turkish footballer Muhammet Oǧuz Zengin, Turkish curler Suzan Zengin (1959 – 2011), Turkish journalist, translator and human rights activist Tolga Zengin, Turkish footballer
Zengin (banking), the payment clearing network used by Japanese banks (akin the automated clearing house system used in the United States)