| Ayanathathanur | |
| Other Name: | Vangaram Mullaiyur |
| Settlement Type: | village |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 11.3339°N 79.1878°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Ariyalur |
| Unit Pref: | Metric |
| Population Total: | 3411 |
| Population As Of: | 2001 |
| 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: | 621709 |
| Area Code Type: | Telephone code |
| Area Code: | 9443838328 9943287579 9626374900 |
| Registration Plate: | TN-45 |
| Blank1 Name Sec1: | Coastline |
| Blank1 Info Sec1: | 0km (00miles) |
| Blank2 Name Sec1: | Nearest city |
| Blank2 Info Sec1: | Sendurai |
| Blank3 Name Sec1: | Sex ratio |
| Blank3 Info Sec1: | 951 ♂/♀ |
| Blank4 Name Sec1: | Literacy |
| Blank4 Info Sec1: | 49.85% |
| Blank5 Name Sec1: | Lok Sabha constituency |
| Blank5 Info Sec1: | Chidambaram |
Ayanathathanur is a village located in the Sendurai taluk of Ariyalur district, Tamil Nadu, India.
As per the 2001 census, Ayanathathanur had a total population of 3411 with 1748 males and 1663 females.[1]