decimally-organized Muslim armies, Amir was an officer rank. For example, in Mughal India, the Amirs commanded 1000 horsemen (divided into ten units, each under a sipah salar), ten of them under one malik. In the imperial army of Qajar Persia:
* Amir-i-Nuyan
* Amir Panj, "Commander of 5,000"
* Amir-i-Tuman, "Commander of 10,000"

The following posts referred to "amir" under medieval Muslim