Salt of the earth may refer to:

• One of the metaphors of Salt and Light that occurs in the Sermon on the Mount according to the New Testament.
  • Humble and unpretentious people: Salt and Light#Cultural references.
• Salting the earth, the practice of spreading salt on fields to make them inhospitable to crops.
• Salt of the Earth (song), the closing track to The Rolling Stones' 1968 album, Beggars Banquet.
• Salt of the Earth, (1954 film).
• Salt of the Earth: Palestinian Christians in the Northern West Bank (2004 documentary).
• Salt of the Earth, an album by Ricky Skaggs and The Whites, released on September 25, 2007.
• Any person of interesting character,usually of the lower class.

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