Tanah Merah District (meaning Red Land or Laterite, Kelantanese: Tanoh Meghoh; Jawi: تانه ميره) is a district (jajahan) in the state of Kelantan in northeast Malaysia. The urban area of Tanah Merah is situated along the Kelantan River. It is bordered by Pasir Mas District in the north, Machang District to the East, Kuala Krai District to the South East, Jeli District to the South West and Thailand in the West.