The Wikipedia article has sections for Christianity, Islam, Judaism, Sabianism, and the Bahá'à Faith. Actually, all of these are under the heading "Abrahamic religions"; there are several others listed as well. Check the Wikipedia article for more details.
Islam is one of the great monotheistic religions.
Iran is officially an Islamic Republic. As Islam is one of the 3 great monotheistic religions, along with Judaism and Christianity, then yes. I would say that Iran is monotheistic.
Most religions are polytheistic, monotheistic, or particularistic. Some monotheistic religions are particularistic as are polytheistic. There are no religions that are all three.
There are many monotheistic religions. Here is a partial list:JudaismChristianityIslamBaha'i FaithSikhismZoroastrianismShangdiNeoplatonism
Zoroastrianism, Judaism, Christianity, Islam, and Sikhism are the better known monotheistic religions.
Great question! :)Judaism, Christianity and Islam are frequently referred to, though not to the exclusion of others, as the three major monotheistic religions of the world.A nice resource for an historical and comparative review of these religions is Huston Smith's The World's Religions - Our Great Wisdom Traditions, (New York, NY: Harper Collins Publishers, 1991).
Most religions today are monotheistic.
Pantheistic
The oldest monotheistic religion is Judaism.
polytheistic.
Monotheistic religions. These religions believe in the existence of one singular deity or god, such as Christianity, Islam, and Judaism.
It was monotheistic.