| Official Name: | Sirajdikhan |
| Native Name: | সিরাজদিখান |
| Settlement Type: | Upazila |
| Coordinates: | 23.5708°N 90.3833°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Dhaka |
| Subdivision Name2: | Munshiganj |
| Area Total Km2: | 180.19 |
| Population Total: | 316473 |
| Population As Of: | 2022 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 1540[2] |
| Area Code: | 06924[3] |
| Timezone: | BST |
| Utc Offset: | +6 |
Sirajdikhan (bn|সিরাজদিখান) is an upazila of Munshiganj District in the Division of Dhaka, Bangladesh. Villages in Sirajdikhan include Gopal Pur. Its total area is 180.19 km2. A large quantity of vegetables for the capital Dhaka is supplied by this upazila.[4] This upazila is also famous for patkhir all over the country. [5]
According to the 2011 Census of Bangladesh, Serajdikhan Upazila had 34,760 households and a population of 288,107. 63,049 (21.88%) were under 10 years of age. Serajdikhan had a literacy rate (age 7 and over) of 64.90%, compared to the national average of 51.8%, and a sex ratio of 1007 females per 1000 males. 3,829 (1.33%) lived in urban areas.[6] [7]
At the 1991 Bangladesh census, Sirajdikhan had a population of 229,085. Males constituted 51.02% of the population, and females 48.98%. The population aged 18 or over was 108,535. Sirajdikhan has an average literacy rate of 33.9% (7+ years), compared to the national average of 32.4%.[8]
Sirajdikhan Upazila is divided into 14 union parishads: Bairagadi, Baluchar, Basail, Chitracoat, Ichhapura, Joyinshar, Keyain, Kola, Latabdi, Madhypara, Malkhanagar, Rajanagar, Rasunia, and Sekhornagar. The union parishads are subdivided into 124 mauzas and 178 villages.