Borje Rajalin is a Finnish Jewellery Designer.
Rajalin worked at Bertel Gardberg’s silversmith from 1952 – 1956. His design work included technical equipment, plastic fittings, cutlery, stainless steel table and cookware and with Anti Nurmesniemi in 1972 a train for the Helsinki Railway. They collaborated with station designers to make the metro stations modern and chic. Rajalin produced silver designs for Bertel Gardberg and jewellery for Kalevala Koru. He taught at Taideeteollinen Oppilaitos and was the director of Taidetelinen Ammattikoulu in Helsinki.