The study aimed to identify the predictive relation between parenting styles and career interests among the tenth grade students in Muscat Governorate in Sultanate of Oman, and to investigate any differences that may exist in career interest and parenting styles according to students' gender, and parents' level of education. In addition, it aimed to explore the extent to which types of parenting styles predicted career interests. A random sample of (400) students from tenth grade was selected. To achieve the objectives of the study, the vocational interest pictorial and parenting styles scale were used. The validity and reliability of the two scales and their psychometric properties were confirmed. The results of the study showed that the prevailing career interest among the tenth grade students in Muscat Governorate was scientific interest. The results of the study also showed that the prevailing parenting styles as perceived by tenth grades was the authoritative style. There were statistically significant differences in career interest and parenting styles due to the student gender variable. The results of the study also showed that there are no statistically significant differences in career interest due to educational level of the parents, while there are statistically significant differences in parenting styles due to educational level of the parents. Results showed that parenting styles contributed in predicting career interests among tenth graders. In light of the results, some recommendations and suggestions were suggested.