Introduction Telemedicine is a remote medical practice that is progressively expanding in France. In 2018, regulatory changes authorised telemedicine to become part of daily clinical practice. Telemedicine education and training (ET), however, has not been widespread, despite its integration in the medical curriculum since 2009. The objective of this study was to examine the self-perceived knowledge, attitudes and practices (KAP) and ET of telemedicine ET from medical students and residents in France. Methods A national survey was distributed online (15 December 2018 to 3 March 2019) to approximately 135,000 medical students and residents in medical schools (n = 38). The survey consisted of a total of 24 binary and Likert-scale questions covering telemedicine ET and KAP. Results In total, 3,312 medical students and residents completed the survey. Synchronous video consultation was the most well-known telemedicine activity (86.9%); asynchronous tele-expertise was the least recognised (40.3%). Most respondents (84.8%) stated they were not familiar with telemedicine regulations. The relevance of telemedicine for improving access to care was acknowledged by 82.8% of students and residents; 14% of respondents stated they had previously practised telemedicine during their studies; 14.5% stated they had received telemedicine ET; however, 97.9% stated they were not sufficiently trained. Discussion This is the first national scale study on telemedecine ET by medical students and residents, to date. Despite positive attitudes, participants were found to have limited telemedicine ET, knowledge and practices. The demand for telemedicine ET is increasing. Such studies that incorporate the perspectives of medical students and residents may strengthen the implementation of telemedicine ET in the future.