Impulsivity is a multidimensional construct linked to a broad spectrum of psychopathologicaland neuropsychological disorders. The UPPS-P model has emerged as a valuable tool forassessing impulsivity from a multi-dimensional perspective. Despite its relevance, few studieshave examined the psychometric properties of the UPPS-P scale scores in a large, representativesample of adolescents. This study aims to evaluate the psychometric properties of the SpanishUPPS-P in adolescents and to establish normative data for this population in Spain. To thisend, 9024 students aged 11-19 from 66 different Spanish high schools were included. The fitfor the expected 5-factor model, assessed through confirmatory factor analysis, was inadequate(CFI and TLI ≤ .85, RMSEA = .063), but becomes satisfactory when employing the moreflexible ESEM approach (CFI and TLI ≥ .94, RMSEA = .038), which was invariant across genderand age. Internal consistency reliability was satisfactory (ω = .83 to .94). Convergent validitywith the Barratt Impulsiveness Scale-11-A total score was good (r = .53 to .60). We providepopulation norms of the UPPS-P, which may help practitioners to interpret the UPPS-P scoresof adolescents from the general population in Spain. Subsequent research should exploreimplications for both clinical and non-clinical settings