西奈山（Mount Sinai，阿拉伯文：طور سيناء‎，摩西山（Mount Musa），是埃及西奈半岛南端的一座山。

西乃山海拔高度为2,285米，在西奈半岛仅次于海拔2,637米的凯瑟琳山（Mount St. Catherine）,后者是西奈半岛和埃及的最高峰。周围被山脉高峰环绕。

Mount Sinai (Arabic:طُور سِينَاء‎, translit. Ṭūr Sīnāʼ ; Egyptian Arabic: جَبَل مُوسَى, translit.: Jabal Mūsā or Gabal Mūsā; literally "Moses' Mountain" or "Mount Moses"; Hebrew:הר סיני‎ translit. Har Sinai), also known as Mount Horeb or Jebel Musa, is a mountain in the Sinai Peninsula of Egypt that is a possible location of the biblical Mount Sinai. The latter is mentioned many times in the Book of Exodus and other books of the Bible, and the Quran. According to Jewish, Christian, and Islamic tradition, the biblical Mount Sinai was the place where Moses received the Ten Commandments.