Ralph Boschung (; born 23 September 1997) is a Swiss racing driver who most recently competed in the 2023 FIA Formula 2 Championship for Campos Racing. He is a race winner in the GP3 Series and has previously competed in Formula 2 from to , for Campos, MP Motorsport and Trident.

Career Formula BMW Talent Cup In 2012, Boschung made his debut in open-wheel racing, competing in the Formula BMW Talent Cup. He ended the season fifth, five points behind champion Marvin Dienst, after winning the first race and scoring a fourth place in the second.

ADAC Formel Masters 2013 In 2013, Boschung competed in ADAC Formel Masters with Team KUG Motorsport and ended the season seventh, having inherited a win at the Slovakiaring after the original race winner and that year's champion, Alessio Picariello, was given a penalty. He also took six podium finishes.

2014 The following year, Boschung moved to Lotus, where he would partner Dennis Marschall and Joel Eriksson. He started the season with a podium at the Oschersleben, finishing third. Boschung even had a run of finishing on the podium at all three races at the Red Bull Ring. Altogether, Boschung achieved eight podium finishes throughout the season but did not manage a single win. Boschung once again ended the season seventh in the standings, narrowly behind his teammates.

GP3 Series 2015 In 2015, Boschung debuted in the GP3 Series with Jenzer Motorsport, partnering Pål Varhaug and fellow Swiss Mathéo Tuscher. Having been taken out by a rival in the opening round, Boschung scored his first points in the second round at the Red Bull Ring. Following that, Boschung scored the only podium of his season when he finished third in the round at Silverstone after starting from pole position. He went on to have a five-race long points scoring streak, and after achieving his last point of the campaign at the Bahrain International Circuit, he ended his season eleventh in the championship, achieving 28 points and also beating both his teammates Varhaug and Tuscher.

2016 For the 2016 season, Boschung switched to Koiranen GP, this time teaming up with Matt Parry and Matevos Isaakyan. His season began with a point in Barcelona, after achieving his best qualifying so far in ninth. He then followed that up with his first win in cars since 2013 by winning the sprint race at the Red Bull Ring, where he managed to stay in front of the chasing pack in rainy conditions. Boschung scored further points in the feature races at Silverstone and Hungaroring in the following two events. It saw him up in fifth place in the championship. However, after the pair of races at the Hockenheimring, where the Swiss driver didn't score any points, he was replaced for the round at Spa-Francorchamps by Niko Kari, with the team citing financial reasons. He returned to racing in Monza, finishing outside the points in 18th and ninth. However, Boschung was forced to leave the team for good after that round, missing the final two rounds. He ended up eleventh in the standings, helping Koiranen to finish 5th in the team championship.

FIA Formula 2 Championship 2017

In March 2017, Boschung signed for Campos Racing to compete in the inaugural FIA Formula 2 Championship, initially partnering Stefano Coletti and later Roberto Merhi, Robert Vișoiu and Álex Palou. Boschung finished out of the points during the first three rounds of the season, netting a highest finish of 12th thrice. Boschung finally took his first Formula 2 points at the Baku round, finishing eighth in the feature race. This gave him pole for the sprint. Boschung lost the lead on the first lap, before a DRS failure saw him slowly tumble down the rankings. He finished ninth before a disqualification from Jordan King saw him promoted to eighth, adding a point to his tally. Boschung picked his highest finish of the season with seventh in the feature race at the Red Bull Ring. It would also prove to be his final points finish of the season. Lining up second for the sprint, Boschung stalled on the grid and was hit from behind. He carried on with damage but finally retired from good on lap 16. Boschung was set for a top-three qualifying finish at the Hungaroring, but problems left him 14th on the grid. He was set to claim another points finish, running in ninth during the feature race, but he was forced off track by Jordan King and lost five places. He recovered to eleventh. He had no luck in the sprint race; suffering a clutch issue at the start and finishing 16th. Boschung challenged for points at Spa-Francorchamps and Monza, but his efforts went unrewarded. Boschung parted ways with Campos before the final round at Yas Marina and was replaced by that year's FIA Formula 3 European champion Lando Norris. Overall, Boschung scored 11 points and finished 19th in the championship, scoring more points than all his teammates combined.

At the end of the year, Boschung drove in a Super Formula test at the Suzuka Circuit.

2018

After appearing at the 2017 post-season test with MP Motorsport, Boschung signed with the team for the season alongside Roberto Merhi and later Dorian Boccolacci. Boschung had a great start to the season, scoring points in the first race of the season in Bahrain. He then followed it up with seventh in the sprint race, thanks to a lightning start. Boschung had another double points finish in Baku, qualifying in the top-ten. He progressed to seventh in the feature race, and lined second for the sprint race. He dropped to ninth due to excessive tyre wear, but was upgraded to eighth after Sérgio Sette Câmara was disqualified. Along with Lando Norris, Boschung was one of two drivers to score points in the first two rounds. His opening performance proved to be a false dawn. From Spain to France, Boschung suffered five consecutive retirements ranging from racing incidents to car issues. His next points finish would come at the seventh round at Silverstone. He drove clean races to finish ninth and eighth in the feature and sprint races respectively. Boschung had point-less rounds in Budapest and Spa-Francorchamps compounded with more retirements. During the Monza round Boschung took eighth in the feature race having started 18th. He started on pole for the sprint and suffered a poor start, before contact with Sean Gelael ended Boschung's race on lap 5. Boschung once again failed to finish the season after leaving MP Motorsport due to budgetary reasons. He was replaced by Niko Kari for the rounds at Sochi and Abu Dhabi. Overall, Boschung scored 17 points and placed 18th in the championship, also being outscored by teammate Merhi.

2019 Boschung raced for Trident in alongside Giuliano Alesi. For the first round in Bahrain, Boschung qualified ninth. However in the feature race electronic issues saw him passed by Guanyu Zhou and Mick Schumacher late in the race, and he finished eleventh just outside the points. He finished 14th in the sprint race, whilst suffering from tyre degradation. At the second round in Baku, despite qualifying in the top-ten once more, he was hit by his teammate Alesi and fell to the back on the opening lap of the feature race. He finished 12th, albeit second-last place. He had no luck in the sprint, being hit by Tatiana Calderon saw his weekend to a close. Boschung maintained his top-ten qualifying form at Barcelona in eighth before being promoted to seventh for the feature race. He ran on the alternate strategy starting on the hards, and finished tenth, scoring his and Trident's first points finish of the year. In the sprint race, Boschung matched his feature race result. In Monaco, Boschung once again scored points in the feature race, finishing ninth having started 14th. In the sprint race, Boschung improved to seventh on the first lap and was set for more points until an engine problem on the tenth lap saw him out of the race. Boschung had a weekend to forget in France, being eliminated in the start chaos in the feature race and finishing 15th in the sprint. Once again, his season was again plagued by funding problems, and he was replaced with Ryan Tveter and Dorian Boccolacci for the rounds in Austria and Britain respectively. Boschung returned to Trident at the Hungaroring round, where he retired with an engine failure in the feature race and finished 18th in the sprint. At the Spa-Francorchamps feature race, Boschung was involved in an accident which resulted in the death of Anthoine Hubert and serious injuries for Juan Manuel Correa. The car of teammate Alesi, who was also involved in the accident, was impounded by the Belgian authorities and the team was forced to field only one car for the next round at Monza. Boschung was stood down to allow Alesi to compete. Boschung returned to racing in Sochi, finishing 14th and 12th in the feature and sprint races respectively. Boschung again lost his seat prior to the final round in Abu Dhabi and was replaced by Christian Lundgaard. Trident finished last in the teams' championship, with Boschung scoring three points and placing 19th in the drivers' championship.

Boschung tested for MP Motorsport during the 2019 post-season testing, the team he raced during the 2018 championship.

2020 Trident fielded a new driver lineup for the season and Boschung left the series. However, in December 2020 it was announced that Boschung would return to Campos Racing to compete in the 2021 Formula 2 Championship. This return was brought forward to the final round of 2020 by a series of driver moves caused by Mercedes Formula One driver Lewis Hamilton's positive coronavirus test. Hamilton was replaced for the Formula One Sakhir Grand Prix by Williams driver George Russell, who was in turn replaced by Campos Formula 2 driver Jack Aitken, allowing Boschung to return to Formula 2 at the second Bahrain round alongside Guilherme Samaia. He finished 14th in the feature race and retired in the sprint, to rank 25th overall.

2021

For the start of the 2021 season, Boschung was partnered by the 2020 Formula Regional European champion Gianluca Petecof. Boschung qualified 12th for the Bahrain opening round. The first race ended in disappointment for him, as he tagged the back of Marcus Armstrong and retired. In the second sprint, Boschung finished 17th and last while setting the fastest lap. He finished 15th in the feature race, leaving the weekend without a single point. At the second round of the year in Monaco, Boschung qualified sixth, his best qualifying up till that point. In Sprint Race 1, Boschung finished an excellent fourth, after Christian Lundgaard retired. fifth and sixth places respectively. In Sprint Race 2, Boschung finished fifth and in the feature race finished sixth after nearly passing Guanyu Zhou for fifth in the end. This marked his best Formula 2 race result and earnt him 22 points over the race weekend, more than he had scored in any whole Formula 2 season beforehand.

The following round in Baku, Boschung was partnered by Matteo Nannini. In the first sprint, Boschung lined up fourth, having qualified seventh. He was passed by Marcus Armstrong at the start and later Dan Ticktum and Théo Pourchaire. But on the penultimate lap, Boschung re-overtook Armstrong to classify sixth. He had a difficult second sprint, as he was hit from Pourchaire behind, damaging his suspension. Boschung stayed clear of chaos in the feature race to come home in fifth, his best ever feature race result thus far. Boschung would have a difficult weekend in Silverstone. A red flag with two minutes remaining in qualifying consigned Boschung to a low 15th on the grid. Boschung had no pace in the races, he finished 14th in the first sprint. In the second sprint, Boschung spun on the first lap and collided with Alessio Deledda, concluding both of their races. Boschung finished 14th again in the feature race.