Bojan Cvetrežnik is a Slovenian violin player.

After completing a degree in viola at the Ljubljana Music Academy he concluded a postgraduate course in Berlin. He has performed as principal viola in the Ljubljana Opera House Orchestra, but has always been interested in non-classical musical genres. At the age of 18 he started playing bluegrass music, in cabarets and soon after performed at the Ljubljana Jazz Festival with a jazz band called New Strings. He has set up a modern string ensemble called "Amnesty Trio", of which he is also the producer and a composer. He was also a member of All Capone Štrajh Trio and is the founder of TerraFolk.