IntroductionPatient safety is a healthcare discipline that aims to prevent and reduce patient harm, risks and errors during the provision of healthcare. Given the size of the nursing workforce in the healthcare system the inclusion of patient safety in the undergraduate nursing curriculum is necessary to enhance a safe culture in the daily work of their future careers. To this end, it is essential to apply effective teaching strategies to develop patient safety competencies. This review will aim to evaluate the effectiveness of educational interventions in developing patient safety knowledge, skills, behaviours and attitudes in undergraduate nursing students within the existing topic areas of the WHO Multi-professional Patient Safety Curriculum Guide.Methods and analysisThe databases Medline, CINAHL, Scopus, Education Research Complete, The Cochrane Central Register of Controlled Trials, LILACS, Medes and Grey literature such as ClinicalTrials.gov, Google Scholar, DART-Europe, ProQuest Dissertations, CAPES thesis and dissertations, The Virginia Henderson Global e-Repository, Mednar and Thesis Canada will be searched from July 2011 to January 2022. Two independent reviewers will conduct the search, extract the data and assess the risk of bias for the included studies, using standardised critical appraisal instruments from the Joanna Briggs Institute. The quality of the evidence will be assessed using the Grading of Recommendations, Assessment Development and Evaluation methodology. Studies will be pooled in the meta-analysis. Alternatively, the findings will be presented in narrative form, including tables and figures, to aid in data presentation.Ethics and disseminationThis study raises no ethical issues. The findings will be disseminated through presentations at professional conferences and publications in a peer-reviewed journal.PROSPERO registration numberCRD42021254965.