The 2023 Rally Italia Sardegna (also known as the Rally Italia Sardegna 2023) was a motor racing event for rally cars held from 1 June to 4 June 2023. It marked the twentieth running of the Rally Italia Sardegna, and was the sixth round of the 2023 World Rally Championship, World Rally Championship-2 and World Rally Championship-3. The event was also the third round of the 2023 Junior World Rally Championship. The event was based in Olbia in the Province of Sassari, and was contested over nineteen special stages covering a total competitive distance of .
Ott Tänak and Martin Järveoja were the defending rally winners. Hyundai Shell Mobis WRT, the team they drove for in , are the defending manufacturer's winners. Nikolay Gryazin and Konstantin Aleksandrov are the defending rally winners in the WRC-2 category. Jan ÃÂerný and TomÃ¡à ¡ Stà Âeska are the defending rally winners in the WRC-3 category.
Thierry Neuville and Martijn Wydaeghe won the rally. Their team, Hyundai Shell Mobis WRT, successfully defended their manufacturer's title. Andreas Mikkelsen and Torstein Eriksen won the World Rally Championship-2 category. Roope Korhonen and Anssi Viinikka won the World Rally Championship-3 category. The Motorsport Ireland Rally Academy crew of William Creighton and Liam Regan won the junior class.
The following crews entered into the rally. The event was open to crews competing in the World Rally Championship, its support categories, the World Rally Championship-2, World Rally Championship-3, Junior World Rally Championship and privateer entries that were not registered to score points in any championship. Nine entered under Rally1 regulations, as were thirty-nine Rally2 crews in the World Rally Championship-2 and nine Rally3 crew in the World Rally Championship-3. A total of eight crews were registered to participate in the Junior World Rally Championship.
All dates and times are CEST ().