Sandro Holzem (born 9 June 2004) is a German racing driver currently competing for Project 1 in the DTM.

[1][2] Holzem began racing on the European karting scene in 2019, partaking in an event of the European Championship before participating in that year's Karting World Championship in Alahärmä.

In 2022, Holzem made his car racing debut, teaming up with twin brother Juliano at Dörr Motorsport in the ADAC GT4 Germany.

[6] For the 2023 season, it was announced that Holzem would progress to the DTM with Project 1, entering the championship following an extensive testing programme and guest starts at the GTC Race and the ADAC GT Masters, the latter of which Holzem together with Marco Wittmann would score a podium in.

[7][8] Following the German's DTM debut at the Nürburgring, ADAC officials granted Holzem full entry to the series, subsequently enabling him to score championship points.