This study examines teacher variables and delinquent behavior among public primary school pupils in Ahoada West Local Government Area of River State. The independent variables examined were; teachers' attitude, teachers' classroom management, teacher-pupil relationship while dependent variable is pupils' delinquent behavior. To achieve the purpose of the study, three research questions and three research hypotheses were posed and formulated respectively to guide the study. Two hundred (200) pupils in public primary schools were randomly selected for this study. The instrument used for data collection was a 16-item questionnaire named Teacher Variables and Delinquent Behaviours (TVDB) constructed by the researchers. Independent Samples T-Test was used for data analysis. Each of the hypotheses was tested at .05 level of significance. The findings of the study revealed that there was significant influence of teachers' attitude, teachers' classroom management, and teacher-pupil relationship on delinquent behavior among pupils in Ahoada West Local Government Area of Rivers State. The study recommended that teachers should act and manage their classroom adequately to curb students' delinquent bahaviours in the classroom.