Ad-Din

Al-Dīn (Arabic: الدين‎‎ ad-dīn  "the religion"), a component of some Arabic names, meaning "the religion", e.g. "Sword of the religion".

The Arabic spelling closely transliterated is a l d ī n, but its standard transliteration is ad-dīn due to the phonological rules involving "sun letter", but in practice romanizations of Arabic names containing this element may vary greatly, including:

Examples of names including this element are:

In modern times in English-speaking environments the name Uddin has sometimes been used as if it was a separate surname. Some examples are:

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