Keserwan District (Arabic: قضاء كسروان, transliteration: Qaḍā' Kisrawān) is a district (qadaa) in Keserwan-Jbeil Governorate, Lebanon, to the northeast of Lebanon's capital Beirut. The capital, Jounieh, is overwhelmingly Maronite Christian. The area is home to the Jabal Moussa Biosphere Reserve.