The 2019 GT World Challenge Asia (known for sponsorship reasons as the 2019 Blancpain GT World Challenge Asia) was the third season of the GT World Challenge Asia, an auto racing series for grand tourer cars in Asia co-promoted by the SRO Motorsports Group and Team Asia One GT Management. The races were contested with GT3-spec and GT4-spec cars. The season began on 6 April at Sepang and ended on 28 September at Shanghai. It was the first season of the unification of GT3 sprint series across the globe under the World Challenge name.
At the annual press conference during the 2018 24 Hours of Spa on 27 July, the Stéphane Ratel Organisation announced the first draft of the 2019 calendar. Ningbo was replaced by Korea. The dates for the races at Shanghai were confirmed on 11 December.
Bold indicates overall winner.
Championship points are awarded for the first ten positions in each race. Entries are required to complete 75% of the winning car's race distance in order to be classified and earn points. Individual drivers are required to participate for a minimum of 25 minutes in order to earn championship points in any race.
Only the two best results of a team per race counted towards the Teams' championship.