Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

Deen means in Arabic (religion). We don't have any of the Prophets or Infallible Imams who called themselves or any of their children in this name. You can add to it then use it like Emad al-Deen, Alauddin, Fakhruddin, Izzuddin, etc. That will make sense otherwise just Deen is not an Islamic name.