The 2018 Ad Diriyah ePrix (formally the 2018 SAUDIA Ad Diriyah E-Prix) was a Formula E electric car race held at the Riyadh Street Circuit in the town of Diriyah, which is located north-west of the Saudi Arabian capital of Riyadh, on 15 December 2018 before a crowd of about 23,000 spectators. It was the first round of the 2018–19 Formula E season, the inaugural edition of the event and the first Middle Eastern Formula E race. The 33-lap race was won by António Félix da Costa of the Andretti team from a pole position start.