The aim of this study is to investigate the loneliness levels of physical education teachers and determine them according to some variances. In the study, a descriptive survey method was used, which aimed at revealing the existing situation. The study group was comprised of 287 physical education teachers actively working at the state schools of Kayseri province in the 2019-2020 education year. In the study, Personal Information Form and Ucla Loneliness Scale were used as the data collection tools. SPSS program was used for the analysis of the data. Techniques of t test (independent-samples t-test) for paired comparisons and one-way analysis of variance (one-way ANOVA) for multiple comparisons were used in the research study. According to the results of the research, loneliness levels of physical education teachers were determined to be "partially low". In addition, while there was a significant difference in the loneliness levels of physical education teachers according to age, years of service, regular exercise status and school team employment; no significant difference was determined according to gender, marital status, school type and sport branch.