["Business Strategy and the Environment, EarlyView. ", "\nABSTRACT\nThe purpose of this research is to determine the impact of entrepreneurs' sustainability knowledge, orientation, and intentions on their sustainability‐focused entrepreneurial actions. The research is based on the theory of planned behavior. The study is designed as cross‐sectional quantitative research. The research population consists of 9939 business owners and partners operating in Usak, Türkiye. Research data were obtained from 474 entrepreneurs through a convenience sampling method. Knowledge, intention, orientation, and action scales related to sustainability developed by Muñoz and Dimov (2015) were used in the study. The data were analyzed using SPSS and AMOS programs. The hypotheses formed for the study were tested with structural equation modeling (SEM). According to the research findings, entrepreneurs' sustainability knowledge positively affects their sustainability orientation. In addition, entrepreneurs' sustainability knowledge and orientation have a statistically significant positive effect on their sustainability intention. Entrepreneurs' sustainability knowledge, orientation, and intention positively affect their sustainability‐oriented actions. The study concludes that entrepreneurs' adoption and performance of sustainability‐oriented actions are significantly affected by their knowledge, orientation, and intention with regard to sustainability.\n"]