thumb|Sutardji Calzoum Bachri

Sutardji Calzoum Bachri, known as Tardji, (born 1941 in Rengat, Riau) is a well-known Indonesian poet. A native Malay speaker,

He was nicknamed the "bottle poet" for a preference, early in his career, for accompanying readings of his work with bottles of alcohol. His style of reading has been compared to the incantation-like quality of the old Indonesian dukun, chants stemming from Indonesian pre-Islamic shamanistic practice, still used today.

The style of Tardji's poetry has been described as that of a mantra.