| Adaichani | |
| Settlement Type: | Village Panchayat |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 8.7481°N 77.4561°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Tirunelveli |
| Unit Pref: | Metric |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 627413 |
| Area Code Type: | Telephone code |
| Area Code: | 04634 |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Tirunelveli |
| Blank4 Name Sec1: | Vidhan Sabha constituency |
| Blank4 Info Sec1: | Cheranmahadevi |
Adaichani is a village panchayat situated in the Tirunelveli locale of Tamil Nadu state, India. It is surrounded by Pallakkal Pothukudi, Edaikal, and Papakudi.