Elah may refer to:

• Elah (Edom), the name of an Edomite clan
• Elah, a name of God in Judaism
• Elah, the father of Hoshea, the last king of the Israelite Kingdom of Israel
• King Elah, the fourth king of Israel
• Valley of Elah, where the biblical David fought Goliath
• Elah, Hebrew word for "terebinth"
• Elah Terrell, an American architect
• ELAH, the hydrochloride salt of antimicrobial compound ethyl lauroyl arginate

• Allah, the Arabic word for God
• El (disambiguation)
• Elahi (disambiguation)
• Illah (disambiguation)
• In the Valley of Elah, a 2007 film