| Alappiranthan | |
| Settlement Type: | village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.181°N 78.9563°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | PudukkottaiAranthangi |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Population Total: | 4590 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Demographics Type1: | Official |
| Demographics1 Title1: | Language |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 622202 614616 |
| Registration Plate: | TN 55 |
Alappiranthan is a main village in the Aranthangi Taluk of Pudukkottai district,[1] Tamil Nadu, India.
As per the 2020 census, Alapiranthan had a total population of 4590[2] with 1855 males and 1970 females. Out of the total population 2000 people were literate.