Mirza Hasan Ashtiani ( Persian : میرزا حسن آشتیانی ), commonly known by the bestowed title Mostowfi ol-Mamalek ( Persian : مستوفی‌الممالک , lit. ' Chancellor of the Realm ' ; 5 October 1871 – 10 August 1932) was an Iranian politician and statesman who served as the prime minister of Iran on six occasions from 1910 to 1927.