Darreh Dun Ramhormoz
 Darreh Dun (Persian: دره دون‎ also Romanized as Darreh Dūn; also known as Darreh Dān) is a village in Howmeh-ye Sharqi Rural District in the Central District of Ramhormoz County Khuzestan Province Iran. At the 2006 census its population was 166 in 43 families.