穆哈玛迪亚（阿拉伯语：محمدية‎，意为穆罕默德的信徒），又译为穆哈默迪亚、穆罕马迪亚等，是印度尼西亚的一个伊斯兰组织。该组织由阿末达兰于1912年在雅加达成立。最初只作为提倡伊智提哈德（对古兰经和圣训作出个人诠释，而不是如塔格利德一般接受由乌理玛提出的传统解释）的改革派社会宗教运动。近年来，该组织受到了瓦哈比派的影响。

目前，穆罕默迪亚拥有2900万会员，是印尼的第二大伊斯兰组织。虽然穆罕默迪亚的领导人和成员经常积极参与政治活动，但它并不是一个政党。它一直致力于社会和教育活动。

Muhammadiyah (Arabic: محمدية, followers of Muhammad. full name: Persyarikatan Muhammadiyah) is an Islamic organization in Indonesia. The organization was founded in 1912 by Ahmad Dahlan in the city of Yogyakarta as a reformist socioreligious movement, advocating ijtihad - individual interpretation of Qur'an and sunnah, as opposed to taqlid - the acceptance of the traditional interpretations propounded by the ulama. Since its establishment, Muhammadiyah adopted some elements of Wahhabism., primarily as a way to prevent syncretism in the implementation of Islam for its members. It continues to promote religious tolerance in Indonesia and a few of its higher education institutions are attended mostly by non-muslims, especially in East Nusa Tenggara and Papua provinces.