Ruggero Maregatti (July 14, 1905 – October 20, 1963) was an Italian athlete who competed mainly in the 100 metres.
He competed for Italy in the 1932 Summer Olympics held in Los Angeles, California, in the 4 x 100 metre relay where he won the bronze medal with his team mates Giuseppe Castelli, Gabriele Salviati and Edgardo Toetti.