In Islamic tradition, Ridwan is the name of an angel in charge of maintaining the gates of Paradise, Jannah.
Other forms of Ridwan include "Ridhwan", "Rizwan", "Rizvan", and "Ridvan" or "Rıdvan" in Albanian, Bosnian, Indonesian, Kashmiri, Malay, Pashto, Persian, Punjabi, Tajik, Turkish, Urdu, and other languages heavily influenced by Arabic directly, or through Persian or Turkish.
The only two variants used in Albanian are Ridvan and Rizvan.
In Bangladesh, the name may be spelled as "Rizwan", "Rezwan", "Rejwan" or "Redwan".
In Brunei, Malaysia, and Indonesia it is alternatively spelled as "Ridwan" or "Riduan".