The present study aims to determine the relationship between teachers' physical activity (PA) levels, obesity prevalence, and life satisfaction (LS). The study has a descriptive nature, and it was conducted following the relational screening method, which is a general screening model. A total of 401 volunteer teachers were included in the study. Descriptive statistics, t-tests, and ANOVA tests were used for data analysis. When the PA levels and LS of the teachers were examined, it was found that 28.7% were inactive, 44.6% were moderately active, and 26.7% were active; It was determined that 17.2% had very little LS, 40.6% had medium LS, 34.4% high LS, 7.0% full LS. When the body mass index (BMI) was examined, it was determined that 1.2% of the teachers were underweight, 54.1% were healthy weight, 35.7% were overweight, and 9.0% were obese. The study's findings showed a weak and positive relationship between teachers' LS and PA participation levels. The results indicated that PA levels differed significantly according to gender, marital status, and active sports, and LS levels differed significantly according to gender, marital status, income, age, BMI according to gender, marital status, income, and age.