Sefid Ab (Persian: سفيداب, also Romanized as Sefīd Āb)[1] is a village in Tameshkol Rural District, Nashta District, Tonekabon County, Mazandaran Province, Iran.

At the 2006 census, its population was 170, in 40 families.

[2] This Tonekabon County location article is a stub.

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