| Kilacheri | |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Tiruvallur |
| Subdivision Type3: | Taluka |
| Subdivision Name3: | Kadambatur |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Tamil |
| Demographics1 Info1: | Official language |
| Demographics1 Title2: | Telugu |
| Demographics1 Info2: | |
| Elevation M: | 50 |
| Postal Code Type: | Pin Code |
| Postal Code: | 631 402 |
Kilacheri is a village in Tamil Nadu, India. It is located in the Kadambatur taluka of the Tiruvallur district.
Tamil is the official language of the village, but nearly 45% of the people speak Telugu language (mostly Kamma (caste)).
The Sacred Heart Church in Kilacheri was established in 1786. It is under the jurisdiction of the Roman Catholic Archdiocese of Madras and Mylapore. There are Stations of the Cross located around the church.
Telugu Christians celebrated their 300th jubilee on 11 December 2003 in this parish. Kilacheri parishioners celebrate their church festival on 28 May each year.