Mirza Saeed Khan Ansari (), or simply Sa'id Mo'tamen ol-Molk () (1816 in Meyaneh (Ishlaq) â 1884 in Tehran), was the foreign minister of Iran (Persia) during the Qajar era under Naser ed-Din Shah Qajar between 1853 and 1873. He is probably best known as a signatory of the 1881 Akhal Treaty.