| Vaptistis | |
| Name Local: | Βαπτιστής |
| Type: | community |
| Coordinates: | 40.9919°N 22.7719°W |
| Periph: | Central Macedonia |
| Periphunit: | Kilkis |
| Municipality: | Kilkis |
| Municunit: | Kilkis |
| Population As Of: | 2021 |
| Population: | 318 |
Vaptistis (Βαπτιστής "Baptist") is a village and a community in the municipality of Kilkis, Kilkis regional unit of Greece. In 2021 its population was 318 for the community, which includes the village Kyriakaiika. It is situated 9 km west of Kilkis, 17 km east of Polykastro and 42 km north of Thessaloniki. The village has a primary school, a high school, a stadium and three churches. The protector saint is St. John the Baptist, and the village is named after him. There are an athletic club "A.C. Doxa Vaptisti" and a cultural one "Politistikos Syllogos Vaptisti".
During the Ottoman period, the village was known as Haydarlı (Χαϊνταρλί).
Before 1922, the village was inhabited by Turks and its name was Haydarlı (Aydarlı).[1] Following the population exchange between Greece and Turkey, Greeks from Eastern Thrace moved into Haydarlı. Turks followed the same route but towards the opposite direction.