The 2018 Blancpain GT Series Asia was the second season of the Blancpain GT Series 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 14 April at Sepang and ended on 14 October at Ningbo.
At the annual press conference during the 2017 24 Hours of Spa on 28 July, the Stéphane Ratel Organisation announced the first draft of the 2018 calendar. Initially, no changes were made to the schedule compared to 2017. On 27 September 2017, it was announced the races in Buriram were moved one week earlier to avoid a clash with the 3 Hours of Silverstone. On 29 January 2018, it was announced Ningbo would replace Zhejiang as the final round of the season.
Bold indicates overall winner.
Championship points were awarded for the first ten positions in each race. Entries were required to complete 75% of the winning car's race distance in order to be classified and earn points. Individual drivers were 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.