Jan Jetso Boeles (1909, Leeuwarden - ?) was a Dutch independent researcher and photographer based in Thailand for many years.
In 1976-1978, he photographed the Phimai temple and the Wat Sethupon in Bangkok. He directed the Siam Society Research Center, and was an honorary member of the Siam Society since 1960.
He advised the Faculty of Arts at Leiden University in Art and Archaeology of mainland Southeast Asia.