This study aims to determine the relationship between trust in principal and teacher voice according to teachers' perceptions. This descriptive study is designed in the correlational survey model, one of the quantitative research designs. The study's target population consists of 2150 teachers working in primary, secondary and high schools in Bolu city centre. The study sample consists of 342 teachers determined by simple random sampling method. Personal information form, trust in principal scale and teacher voice scale are used to obtain data. Since the collected data do not show a normal distribution, non-parametric tests are used for the study. According to the study results, teachers' perceptions of trust in principal and teacher voice are at a high level and as teachers' perceptions of trust in principal increase, their perceptions of teacher voice change in the same direction. The study offers some significant implications for both principals and teachers.