Rajac is a village 22 km south of Negotin in Serbia. It is known for its historic wine cellars and is a popular touristic destination. Nearby, there is a village of Rogljevo, also known by historic wine cellars.
Rajac can refer to the following toponyms in Serbia:
- Mount Rajac, part of Suvobor
- Rajac (Čačak), a village near Čačak
- Rajac (Negotin), a village near Negotin
Rajac is a village in the municipality of Čačak, Serbia. According to the 2002 census, the village has a population of 355 people.