Roadster may refer to:

• Roadster (automobile), an open, two-seat, often sporty car
  • Roadster utility, an automobile with an open-topped roadster body and a rear cargo bed
• Roadster (bicycle), a utilitarian bicycle, typically traditional in design
• Roadster (horse), a type of driving competition for horses
• A roadster motorcycle, another name for a standard

• Haynes Roadster, a roadster sports car
• Mazda Roadster, also known as the Eunos Roadster, a sports car
• Morgan Roadster, a roadster sports car
• Panoz Roadster, a sports car
• Smart Roadster, a sports car
• Singer Roadster, a roadster touring car
• Tesla Roadster (first generation), an all-electric sports car
  • Elon Musk's Tesla Roadster Elon Musk's Tesla Roadster launched in to deep space by SpaceX
• Tesla Roadster (second generation), an upcoming all-electric sports car
• Triumph Roadster, a roadster touring car
• Mini Roadster, a sports compact car
• Eunos Roadster, a roadster sports car sold in Japan as a rebadged Mazda MX-5 (NA)
• YES! Roadster, a roadster sports car

• Cagiva Roadster, a motorcycle

• Roadster, a game in the Sports Collection, Japan-exclusive Game Boy video game
• Roadsters (video game) released for Nintendo 64, Sega Dreamcast, Sony PlayStation and Game Boy Color

• Speedster (disambiguation)