Sheikh Ahmad II bin Rashid Al Mu'alla (ruled 1928 - 1981) was a ruler of the emirate of Umm Al Qawain, United Arab Emirates. He is the father of Sheikh Rashid III ibn Ahmad Al Mu'alla. He assumed his position after the assassinaion of his cousin, sheikh Hamad bin Ibrahim al Mualla in 1928. In his old age, the emirate joined the federation of the UAE in 1971. The first school and hospital in the emirate was established in his time.