| Keserwan District | |
| Settlement Type: | District |
| Native Name: | Arabic: قضاء كسروان |
| Motto: | "The Christians' Castle" |
| Mapsize: | 250px |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Lebanon |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Keserwan-Jbeil |
| Subdivision Type2: | Capital |
| Subdivision Name2: | Jounieh |
| Area Total Km2: | 336 |
| Population Est: | 182,834 |
| Pop Est As Of: | 31 December 2017 |
| Population Density Km2: | 544 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
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.
According to voter registration data, the population is overwhelmingly Christian–the highest percentage-wise in the nation–with 97.95% of voters being Christian.[1] 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):
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).