IntroductionPsychological safety is increasingly recognized as a key determinant of athletes’ wellbeing and sustainable performance, particularly in youth sport. Despite growing interest in the construct, validated tools to measure it remain largely limited to English contexts. This study thus aimed to validate a French translation of the Sport Psychological Safety Inventory (SPSI).Materials and methodsA sample of 210 francophone elite youth athletes aged between 14 and 25 (Mage = 18.2, SD = 2.2