​Background: Cannabis is legalised for medical and recreational use in many countries. However, its use during pregnancy May have health implications for the pregnant people and their developing babies. As evidence suggests that consumption rates are increasing, it is necessary to explore and map current evidence on its consequences for the neonatal population. Methods: The JBI scoping review approach was used to identify the evidence on cannabis use during pregnancy, its effects on neonates and the impacts as observed by health professionals. Inclusion and exclusion criteria were developed to search for evidence in three databases. The search was limited to articles published in English language between 1992-2024. Findings: The search generated 313 articles, with 19 included in the scoping review. The review suggests that cannabis use in pregnancy has negative implications on neonatal birthweight and measurements, admissions to a neonatal intensive care unit, premature birth and neonatal development and behaviour. However, there was no evidence on health professionals' observations or experiences found. Discussion: This review mapped current evidence on the effects of in utero cannabis exposure on neonatal outcomes, with findings that largely support existing literature. However, the absence of evidence on health professionals' observations of neonatal outcomes following in utero cannabis exposure highlights a critical gap and explains the need for further research and education in this area. Conclusions: This scoping review of current literature shows associations between in utero cannabis exposure and negative neonatal consequences Further research is needed regarding health professionals' experiences of working with neonates exposed to cannabis in utero.