This study investigated the influence of parental attitudes on adolescent behaviour in junior secondary school in Calabar Municipality of Cross River State, Nigeria. The study adopted survey research design and a sample size of 205 was randomly selected form four schools. A breakdown of the figure shows that 165 and 40 respondents were students and parents respectively. The instrument used for data collection was the questionnaire titled ‘questionnaire on the influence of parental attitudes on adolescent behaviour (DOIOPAOAB) comprises of 15 items all on a four point rating scale. The instrument was validated by two experts in measurement and evaluation using test-retest method with the reliability index that ranges from 0.79 to 0.86. The data collected was analyzed using Pearson product moment correlation. Based on the results conclusion and recommendations were made.