| Kailari Rural Municipality | |
| Native Name: | कैलारी गाउँपालिका |
| Settlement Type: | Gaunpalika |
| Pushpin Map: | Nepal Sudurpashchim Province#Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sudurpashchim Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Kailali District |
| Leader Title: | Chairperson |
| Leader Name: | Laju Ram Chaudhary (NCP) |
| Leader Title1: | Vice-chairperson |
| Leader Name1: | Laxmi Satgauwa (NCP) |
| Area Total Km2: | 233 |
| Population As Of: | 2011 |
| Population Total: | 47,987 |
| Population Rank: | 6th (Nepal) |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 28.57°N 80.82°W |
Kailari is a rural Municipality in Kailali District in Sudurpashchim Province of Nepal.[1] It is surrounded by Bajani Municipality In the East, Dhangadhi Sub Metropolitan City in the West, Gauriganga Municipality and Ghodaghodi Municipality in the North and Uttar Pradesh, India in the South.
At the time of the 2011 Nepal census, Kailari Rural Municipality had a population of 47,987. Of these, 88.5% spoke Tharu, 5.5% Nepali, 2.8% Doteli, 1.4% Achhami, 1.0% Maithili, 0.2% Bajhangi, 0.2% Bhojpuri, 0.1% Baitadeli, 0.1% Darchuleli, 0.1% Newar, 0.1% Sign language, 0.1% Urdu and 0.1% other languages as their first language.[2]
In terms of ethnicity/caste, 89.3% were Tharu, 3.5% Chhetri, 2.5% Kami, 1.9% Hill Brahmin, 0.5% other Dalit, 0.5% Damai/Dholi, 0.5% Magar, 0.4% Thakuri, 0.2% Sarki, 0.1% Badi, 0.1% Lohar, 0.1% Musalman, 0.1% Newar, 0.1% Rajbanshi and 0.1% others.[3]
In terms of religion, 97.6% were Hindu, 2.2% Christian, 0.1% Buddhist, 0.1% Muslim and 0.1% others.[4]
In terms of literacy, 62.9% could read and write, 2.0% could only read and 35.2% could neither read nor write.[5]