Chousein Moumin (; born 24 March 1987) is a Greek professional footballer who plays as a midfielder for Gamma Ethniki club Panthrakikos.
Mumin was born in Passos, Rhodope and he is of Pomak origin.
He started his career in 2003 in Panthrakikos. During 2005, his performances with the Komotini club drew Xanthi's attention, but finally he was signed by PAOK.
In January 2008, he moved to Panserraikos for a six-month loan.
In 2008, Moumin signed for Panetolikos, where he stayed for three seasons.
In 2014, Moumin signed for Lamia.
In 2015, Moumin signed for Trikala.
On 1 July 2017, he agreed to join Aris on a two-year contract.
On 20 August 2018, he switched clubs, signing a contract with Iraklis.
On 23 December 2018 he signed a one-year contract with Football League side AO Chania Kissamikos on a free transfer.
Currently plays for Diagoras F.C.