Due to the wide range of opportunities, col¬laborations, and challenges offered by the international construction sector, interest in international construction is on the rise. Construction companies must be able to carry out international construction projects (ICPs) more effectively and efficiently. However, executing ICPs is more challenging than executing domestic construction projects. Considering the peculiarities of the construction industry and the associated complexity of construction projects, construction companies should decide on inter-national capability and the selection of an ICP through a careful evaluation of their critical success factors (CSFs). Most of the previous research deals with the concept of CSFs in the context of project management in general, but few studies have identified CSFs for ICPs. To fill that gap in current research, the main objective of this study was to identify and group CSFs for ICPs. A total of 37 CSFs were identified after conducting a detailed literature review and a pre-pilot study. A new framework of CSFs for ICPs was proposed following primary research, which was con¬ducted through in-depth interviews with leading experts in international projects. Although the constructability/ complexity factor of the project received the highest rating in terms of importance to the success of the ICP, the next most critical factors were found to be external factors, such as local contractor/subcontractor, investor, and pres¬ence of a foreign partner. The results of this research may help participants involved in ICPs to improve their under¬standing of the international construction environment and deliver more successful ICPs.