- Source: Sefid Ab, Markazi
Sefid Ab (Persian: سفيداب, also Romanized as Sefīd Āb and Safīd Āb) is a village in Kuh Panah Rural District, in the Central District of Tafresh County, Markazi Province, Iran. At the 2006 census, its population was 143, in 49 families.