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.

According to the medieval historian Gabriel ibn al-Qilai, the name “Kesrwan” derives from the Maronite muqadam Kisra of Baskinta. During the time of the Crusades, Keserwan was the northern frontier of the Kingdom of Jerusalem.

According to voter registration data, the population is overwhelmingly Christian–the highest percentage-wise in the nation–with 97.95% of voters being Christian. Of those, Maronites are the predominant denomination, comprising 92.16% of all voters in the district. The remaining Christians are Greek Melkite Catholics (2.14%), "minority Christians" (1.26%), Orthodox Christians (0.89%), Armenian Orthodox Christians (0.72%), Armenian Catholics (0.66%), and Evangelicals (0.11%). The Muslim population (2.05%) are divided between Shi'as (1.80%), Sunnis (0.25%), and Alawis (0.01%).

The number of registered voters by sect is as follows (with a total of 94200):

• 86,044 Maronites
• 1,995 Greek Melkite Catholics
• 1,682 Shia Muslims
• 1,176 Minority Christians
• 832 Greek Orthodox Christians
• 668 Armenian Orthodox Christians
• 619 Armenian Catholic Christians
• 230 Sunni Muslims
• 99 Evangelical Christians
• 14 Alawites
• 7 Druze

The district is part of the Keserwan-Byblos electoral district, with the district of Keserwan being allocated 5 Maronite seats (and the overall constituency having 7 Maronites and 1 Shi'ia).

• Assaf
• Chehab
• Ghosn
• Khazen
• Sfeir
• Shahin
• Mhanna
• Njeim
• Khalil
• Salameh
• Akiki
• Zgheib
• Zoghbi

• Assaf dynasty

33°58′11″N 35°36′56″E / 33.96972°N 35.61556°E / 33.96972; 35.61556