Do Ab or Dow Ab or Du Ab or Doab or Dowab or Duab (), meaning "two rivers", may refer to: Doab, a geographical feature in India Do Ab, Bamiyan, a village in Bamiyan Province, Afghanistan Do Ab (Iran), a rural area near Tehran, Iran Do Ab, Gilan, a village in Gilan Province, Iran Do Ab Mardakh, a village in Gilan Province, Iran Do Ab, Hormozgan, a village in Hormozgan Province, Iran Do Ab, Ilam, a village in Ilam Province, Iran Do Ab, Shirvan and Chardaval, a village in Ilam Province, Iran Do Ab, Kangavar, a village in Kermanshah Province, Iran Do Ab, Ravansar, a village in Kermanshah Province, Iran Doab, Sahneh, a village in Kermanshah Province, Iran Do Ab, Masjed Soleyman, a village in Masjed Soleyman County, Khuzestan Province, Iran Do Ab-e Bala, a village in Andimeshk County, Khuzestan Province, Iran Do Ab-e Huran, a village in Andimeshk County, Khuzestan Province, Iran Doab, Kohgiluyeh and Boyer-Ahmad, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran Do Ab-e Kalus, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran Do Ab, Lorestan, a village in Lorestan Province, Iran Do Ab, Markazi, a village in Markazi Province, Iran Do Ab, Mazandaran, a village in Mazandaran Province, Iran Do Ab, Nowshahr, a village in Mazandaran Province, Iran Bala Do Ab, a village in Savadkuh County, Mazandaran Province, Iran Pain Do Ab, a village in Savadkuh County, Mazandaran Province, Iran Do Ab Training Camp, Savadkuh County, Mazandaran Province Do Ab, North Khorasan, a village in North Khorasan Province, Iran Do Ab, Tehran, a village in Tehran Province, Iran Do Ab, West Azerbaijan, a village in West Azerbaijan Province, Iran Do Ab prison, a prison in Panjshir, Afghanistan Doab Rural District (Chaharmahal and Bakhtiari Province), Iran Doab Rural District (Lorestan Province), Iran Do Ab-e Mikh-e Zarrin, Afghanistan Do Ab-e Valian, Afghanistan Dow Ab-e Zivdar, Iran Du Ab District, Afghanistan Kaloch Do Ab, a village in Badakhshan province, Afghanistan
See also Doabi dialect, a dialect of Punjabi spoken in Doab, India