Ajami ibn Abubakr Nakhchivani (Azerbaijani: Əcəmi ibn Əbubəkr Naxçıvani) was a 12th and 13th-century Muslim architect who contributed greatly to the architecture of Nakhchivan. He was the founder of the Nakhchivan school of architecture and is the architect of buildings such as Yusif ibn Kuseyir Mausoleum, Momine Khatun Mausoleum and Juma Mosque.