The McLaren MCL60 is a Formula One car designed and constructed by McLaren, initially under the direction of James Key, to compete in the 2023 Formula One World Championship. The car made its competitive début at the 2023 Bahrain Grand Prix. It was driven by Lando Norris and Oscar Piastri, Norris for his fifth season with McLaren and Piastri in his rookie year. The initial specification of the MCL60 proved uncompetitive, exhibiting inefficient and draggy aerodynamic performance and high tyre degradation. Its poor performance led to Key's departure from the team in March 2023, and he was replaced by a new structure of technical directors. Peter Prodromou and Neil Houldey took over the development of the MCL60. An upgrade package delivered at the Azerbaijan Grand Prix, the fourth round of the season, was the final development produced under Key's leadership.

Beginning with the Austrian Grand Prix, the ninth round of the championship, the new technical leadership delivered a significant upgrade package to the car, which began a marked improvement in the team's results. Another substantial package was delivered at the Singapore Grand Prix. Once the initial Austrian–British package had been fitted, the MCL60 went on to achieve nine podiums and three fastest laps in Grands Prix. Further, the car achieved two sprint poles and four sprint podiums including one victory. By the season's end, the MCL60 was noted as a capable and competitive all-rounder and the only consistent challenger to Red Bull Racing's dominant RB19. Its remaining shortcomings were primarily its comparatively poorer tyre management and tricky handling. The change in design direction has been praised as highly effective and successful to a degree not seen in modern Formula One and appeared to influence the development programs of several other teams.

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