| Alangulam | |
| Settlement Type: | Town |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 8.87°N 77.5°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Tenkasi, Formerly Tirunelveli District |
| Unit Pref: | Metric |
| Elevation M: | 127 |
| Population Total: | 20,948 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 627851 |
| Area Code Type: | Telephone code |
| Area Code: | +91-04633 |
| Registration Plate: | TN 76 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 1000 :1040.5 ♂/♀ |
| Blank2 Name Sec1: | Literacy |
| Blank2 Info Sec1: | 74.5% |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Tirunelveli |
| Blank4 Name Sec1: | Vidhan Sabha constituency |
| Blank4 Info Sec1: | Alangulam |
Alangulam is a town in Tenkasi district, Tamil Nadu, India. It is a Special Grade Town Panchayat and the centre of the Alangulam Taluk in Tenkasi district.
Alangulam is located at .[1] It is situated at an average elevation of 127 metres (416 feet).
India census,[2] Alangulam had a population of around 17,922 as per the 2001 census. Males constitute 49% of the population and females 51%. Alangulam has an average literacy rate of 69%, higher than the national average of 59.5%; with 54% of the males and 46% of females literate. 14% of the population is under 6 years of age.
Alangulam is a constituency for the Tamil Nadu Legislative Assembly. P. H. Manoj Pandian has been the elected Assembly Member for Alangulam in the 2021 Tamil Nadu Legislative Assembly election.
Alangulam is the administrative centre of the Alangulam taluka within Tirunelveli District, and is subdivided into following five Firka.
Alangulam is connected by state highways to Tirunelveli (29 km) towards the east, to Tenkasi (24 km) towards the west, to Ambasamudram (20 km) towards the south, to Surandai (17 km) towards the north west Sankarankovil (48 km) towards the north.
Alangulam Official Website www.alangulam.in