| Official Name: | Katiadi |
| Native Name: | কটিয়াদি |
| Settlement Type: | Upazila |
| Coordinates: | 24.25°N 90.7917°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Dhaka |
| Subdivision Name2: | Kishoreganj |
| Area Total Km2: | 219.21 |
| Population Total: | 314529 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 2330 |
| Timezone: | BST |
| Utc Offset: | +6 |
Katiadi (Bengali: কটিয়াদি) is an upazila of Kishoreganj District in the Division of Dhaka, Bangladesh.
Katiadi has an area of .
Katiadi Upazila has an area of 219.21 km2. It is bounded by Kishoreganj Sadar and Karimganj Upazilas on the north, Belabo and Monohardi upazilas of Narsingdi district on the south, Nikli and Bajitpur upazilas on the east, and Pakundia Upazila on the west. Purushbadhia, Doba and Reksa Beels are notable.
According to the 2011 Bangladesh census, Katiadi Upazila had 69,801 households and a population of 314,529. 88,092 (28.01%) were under 10 years of age. Katiadi had a literacy rate (age 7 and over) of 40.61%, compared to the national average of 51.8%, and a sex ratio of 1083 females per 1000 males. 40,725 (12.95%) lived in urban areas.[1] [2]
As of the 1991 Bangladesh census, Katiadi had a population of 264,501, across 49,488 households. Males constituted 50.24% of the population and females 49.76%. The number of adults over the age of 18 is 125,001. Katiadi had an average literacy rate of 20.3% (7+ years), compared to the national average of 32.4%.[3]
There have many Street in this upazila. Also have two railway station in Katiadi
Katiadi thana became an upazila in 1983. Katiadi was declared a municipality in 1999.
| 01 | Banagram Union | |
| 02 | Achmita Union | |
| 03 | Jalalpur Union | |
| 04 | Lohajhuri Union | |
| 05 | Korgaon Union | |
| 06 | Chandpur Union | |
| 07 | Sohosram Dhuldia Union | |
| 08 | Mumurdia Union | |
| 09 |
Kaitadi Municipality is subdivided into 9 wards and 20 mahallas.[1]
Dr.Mustakakur Rahman is the chairman of Katiadi Upazila.Mr.Nur Mohammad Ex IGP of Bangladesh Police is running MP of Parliament from Katiadi -Pakundia.