The Canadian International AutoShow (CIAS) or AutoShow is Canada's largest auto show. This event has been held in Toronto, Ontario since 1974 and is staged annually in February at the Metro Toronto Convention Centre. It draws an average of 300,000 visitors throughout its showing from Ontario and Western New York.^[1]

The Canadian International AutoShow exhibits over 1,000 cars, trucks, and SUVs as well as, concept cars, exotics, classics, and alternative energy vehicles. The Toronto Star and Wheels.ca is the presenting Title Sponsor and Show Program Publisher of the show. The AutoShow also rents booths to over 125 exhibitors promoting contests, products, services and even locally owned vehicles.^[1]

The AutoShow was founded in 1974 and replaced the annual display of automobiles at the Automotive Building during the Canadian National Exhibition every August.

The 2021 and 2022 editions of the event were cancelled due to the COVID-19 pandemic.^[1][2]

The 2024 edition of the show highlighted electric vehicles, with an "Electric City" exhibit space, and indoor test track and outside test drives available.^[3] It was attended by 371,559 attendees, which was a record for attendance.^[4] 45 car companies displayed vehicles at the show.^[4]