| Kulasekharamangalam | |
| Other Name: | K.S.Mangalam |
| Settlement Type: | village |
| Pushpin Map: | India Kerala#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Kerala, India |
| Coordinates: | 9.7833°N 76.4167°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Kerala |
| Subdivision Type2: | District |
| Subdivision Name2: | Kottayam |
| Unit Pref: | Metric |
| Population Total: | 21296 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Malayalam, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 686608 |
| Area Code Type: | Telephone code |
| Area Code: | 04829 |
| Registration Plate: | KL-36 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Vaikom |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | Kottayam |
| Blank3 Name Sec1: | Vidhan Sabha constituency |
| Blank3 Info Sec1: | Vaikom |
Kulasekharamangalam is a village in Kottayam district in the state of Kerala, India.[1]
India census, Kulasekharamangalam had a population of 21296 with 10360 males and 10936 females.