Attitudes of parents of elementary school pupils of the town of Rijeka on sexual education of their children Objectives. To investigate the attitudes of parents on sexual education of their children and analyze the factors that influence those attitudes. To test hypotheses that it is the parent’s attitude that education of children and youth on sexuality is to be conducted jointly by parents and school and that significant factors that influence this attitude are gender, religion, and parents’ education level. Respondents and methods. The research was conducted in 2010. The respondents, 1673 parents of sixth grade students of all elementary schools in the town of Rijeka have filled in the questionnaire consisting of parts of validated questionnaires used to conduct similar studies. Results. The results would like sexual education of their children to be conducted by themselves and the school jointly. They support children’s education on sexuality. Parents talk to their children spontaneously, when opportunity arises, and when they feel comfortable about it. Their main source of information on sexuality was literature. The best time for first sexual intercourse is when a person is of age. Informing on sexuality should be conducted through several shorter, focused conversations within other subjects. They agree that parents too need education on sexuality. The best time to start sexual education of their children is in senior classes of elementary school, and it should be organized in elementary school and high school. The contents should be determined by teachers and school physicians and the recommended manner of conducting the education is conversation in small groups of peer who know each other. Conclusion. The hypothesis was confirmed that it is the attitude of parents that education of children and youth on sexuality should be conducted jointly by parents and school. This attitude is influenced by gender, religion and parents’ education level.