Marino Lejarreta Arrizabalaga (born 14 May 1957) is a retired Spanish professional road racing cyclist. His biggest victory was capturing the 1982 Vuelta a España, a Grand Tour stage race, and he is the inaugural and record three-time winner of the Clásica de San Sebastián (1981, 1982, 1987), which is now considered a one-day classic. In 1989, Lejarreta captured the Volta a Catalunya repeating one of his first professional wins in 1980 at the same event.