This study was on age, gender, religiosity and family factors on the sexual attitudes and behavior of University of Ibadan students. A sample of 360 respondents 182 males and 178 females participated in the study. Using a questionnaire, four hypotheses were tested using repression and Analysis of variance (ANOVA). It was found that age, gender religiosity, family type, parental care/protection and maternal career/protection jointly predicted, sexual depression (R2 =.084, <05), sexual preoccupation negatively (β=0.419,p< 0.5) maternal protection independently predicted sexual preoccupation negatively (β=-121, p<.05) family type jointly predicted sexual depression positively f(2,357)=5.298,p<.05) The study had some limitation. is was recommended that religious institution should brace up to their duty that parent be include in drawing up intervention program me aimed at reducing per-marital sex
