Ducati 98, 98N, 98T, 98TL, 98 Sport (98S) and 98 Super Sport (98SS) were single-cylinder motorcycles manufactured by the company Ducati Meccanica from 1952 to 1958. Ducati was one of the few Italian companies, which in the 50s succeeded in the production of sports motorcycles, such as Model 98. The fact that Ducati 98 appeared shortly after the end of World War II contributed to the success.

Model 98 debuted in 1952 at an auto show in Milan as a model 98N and 98T. One year later 98 Sport model was showed with aluminum instead of steel wheels and more power. All were equipped with engines of 98 cm3.