The Sultan Iskandar Mosque (Malay: Masjid Sultan Iskandar) is a mosque located at Bandar Dato' Onn, Johor Bahru District, Johor, Malaysia.

The mosque was built by Johor Land Berhad, and currently being managed by Waqaf An-Nur Corporation Berhad, both are subsidiaries of Johor Corporation (JCorp).

It was initially known as Bandar Dato' Onn Mosque.

The mosque was officially opened on 8 April 2016 by the Tunku Mahkota of Johor, Tunku Ismail Idris ibni Sultan Ibrahim in conjunction of his late grandfather Sultan Iskandar's birthday.

This article about a mosque or other Islamic place of worship in Malaysia is a stub.