Introduction Hierarchical socially constructed norms (e.g., cisnormativity, heterosexism, classism, ableism, racism) impact the quality of healthcare received by adolescents with ‘minoritised’ lived/living experiences, identities, and backgrounds. It remains unclear how factors impacting experiences of receiving and utilising primary and mental healthcare differ, overlap, or interact among adolescents holding multiple socially oppressed positions via an intersectional lens. Methods CINAHL, MEDLINE, Embase, Emcare, and PsycInfo will be searched for eligible articles (2005-2025). The SPIDER approach will generate search logic: ‘ Sample’ (multiply marginalised youth aged 12-25yrs), ‘ Phenomenon of Interest’ (receipt/utilisation of primary and mental healthcare services) ‘ Design’ (qualitative studies), ‘ Evaluation’ (young people’s first-hand accounts), ‘ Research Type’ (original peer-reviewed qualitative research). Results Title/abstract screening will be conducted in ASReview until 50% screened or a data-driven stopping rule of 100 consecutive records. A second reviewer will manually screen a random 10% of records i) screened and ii) records not seen by the first reviewer. One reviewer decision will review full-texts and perform data extraction included studies, with a second reviewer screening a random 20% equivalent of all full-texts and extracted articles, respectively. Summative content analysis in NVivo will synthesise findings. Discussion This scoping review will systematically identify and synthesise available qualitative research exploring the lived experiences of adolescents receiving and utilising primary and mental healthcare services while navigating multiple axes of oppression. Working with LEAG members and by using NVivo query-/matrix- functions, the overlapping and distinct experiences of multiply marginalised adolescents and the cumulative effects of these unique synergises of oppression will be elucidated.