Mirza Saeed Khan Ansari ( Persian : میرزا سعید خان انصاری ), or simply Sa'id Mo'tamen ol-Molk (Persian: سعید مؤتمن‌الملک ) (1816 in Meyaneh (Ishlaq) – 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 .