The purpose of this study was to explore the knowledge, attitudes and behaviours regarding HIV and AIDS of university in Zimbabwe using the Health Belief Model (HBM) as the theoretical framework. The ultimate aim was to find out how at risk university students were of contracting HIV and AIDS. A quantitative, non-experimental descriptive, explorative and correlational research design was used, using self-designed questionnaires for data collection. Respondents were sampled through systemic stratified random sampling resulting in 403 undergraduate university students. Descriptive and inferential statistics were calculated using SPSS version 21 software program. Most students were knowledgeable about HIV transmission; the prevention of HIV and AIDS and sexual risk behaviours pertaining to HIV transmission. Students also did show positive attitudes towards PLHIV. Most students did not perceive themselves to be at high of contracting HIV and AIDS. Up to 52% who were sexually active had more than one sexual partner. The respondents knew that HIV and AIDS were not treatable but continued to indulge in risky sexual behaviours. Most respondents received information about HIV and AIDS from the media and peers. The findings would assist policy makers, programme planners and educators in developing in developing and implementing programmes to improve the health of university students.