Claudio Bortolotto (born 19 March 1952) is a former Italian professional cyclist. The highlight of his career came with his victories in the Mountains Classification at the Giro d'Italia. He won the Mountains Classification in 1979, 1980, and 1981. Bortolotto finished ninth overall in the 1977 and 1978 at the Giro d'Italia's, that was his highest finish ever in the Giro d'Italia. He retired from cycling in 1984.