Thanik Lertcharnrit (Thai: ธนิก เลิศชาญฤทธ์, formerly Sawang Lercharnrit; born 1964) is a Thai Archeologist and Anthropologist and Professor at Silpakorn University. He specializes in southeast Asian archaeology and the public education and perception of archeology, with a focus on public Thai cultural heritage. Professor Lertcharnrit has made many contributions to the field of Cultural Resource Management (CRM), and acted as a pioneering figure and advocate for global public archaeology.