Objective To determine the competencies of charge nurses. Methods The systematic review and thematic synthesis study was done at Iran from1 Apr 2018 to 31 Jul 2018. Five electronic bibliographic database (Science Direct, Pro Quest, Scopus, Pub-Med, Scientific Information Database) were systematically searched for relevant literature published from 1980 to 2018. Content analysis was done to categorise competency of charge nurses. Results Of the 1285 articles, 24(1.86%) were reviewed. Through thematic synthesis, six themes identified were self-management, others' management, clinical competency, conceptual-cognitive competency, professional-legal competency and competency in communication. There is need to improve knowledge and skills in the domains of management, leadership, communication and perceptual/cognitive competency. Conclusions The findings may help nurse administrators and nurse directors in designing training programmes for charge nurses who could improve their competencies.
