The question of God's "real" name depends on religious perspective and interpretation of scripture. There's no single universally accepted answer.
Different Names and Titles for God
Various religions and traditions use different names and titles for God. These are not necessarily interchangeable, reflecting different understandings of the divine.
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YHWH (Tetragrammaton): This four-letter Hebrew word (יהוה) is considered the proper name of God in Judaism. It's often transliterated as Yahweh or Jehovah. The exact pronunciation is debated, as vowels were not originally written in Hebrew. Jehovah is a Latinization of the Hebrew יְהֹוָה Yəhōwā, one vocalization of the Tetragrammaton. [Jehovah (/dʒɪˈhoʊvə/) is a Latinization of the Hebrew יְהֹוָה Yəhōwā, one vocalization of the Tetragrammaton יהוה (YHWH), the proper name of the God of Israel in the Hebrew Bible/Old Testament. The Tetragrammaton יהוה is considered one of the seven names of God in Judaism and a form of God's name in Christianity.]
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Elohim: Another common name for God in the Hebrew Bible, meaning "God" or "gods." It's a plural noun often used as a singular in reference to the supreme God. [Ancient cognate equivalents for the biblical Hebrew Elohim, one of the most common names of God in the Bible, include proto-Semitic El, biblical Aramaic Elah,]
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Adonai: This Hebrew word means "Lord" or "Master" and was used as a respectful substitute for YHWH in Jewish tradition. [Adonai is the plural form of Adon which means “Lord, lord, owner, master, or father.” In the Tanakh, however, Adon can refer to either men, angels, or the God]
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Allah: The Arabic word for God, used in Islam.
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God: This is a generic title used in many languages, not a proper name. [“God” is not a name—it's a title.]
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I AM: In Exodus 3:14, God reveals himself to Moses as "I AM WHO I AM," emphasizing his self-existence and transcendence. This is not a name in the traditional sense, but a description of God's nature. [So what is God'a name? Gods name is “I Am”. Yes it's true he tells Moses his name is, “I am”, some translations say “I am that]
Many Christians believe that God doesn't have a name in the way humans do. They often use the title "God" or "Lord" out of reverence. Others may use "Yahweh" or "Jehovah," understanding these as names for God. [Many call God "Jehovah" but don't know where that name came from. What is God's name? Does the Bible have instructions on the proper way to address Him?]
The understanding of God's name varies widely across different faiths and interpretations. There is no single definitive answer. The choice of term often depends on personal and cultural context. [To answer your question: there is only one God. You might call Him the Hebrew God or Allah or Elohim or any other name, one is still one.] [Preachers often explain Bible translations and point out that 'the LORD' is the way most versions translate the four-letter Hebrew word for]