YouTube is important to its users with regard to programs, movies, series, music and advertisements, and it occupies a prominent position among social networking sites due to its ease and low cost of use, and the diversity of its contents. Thus, the researcher decided to study university student uses of YouTube to find out the extent and they gratifications achieved by. This study is a descriptive survey which adopts a questionnaire that was distributed in a simple random method and was applied to a sample of (400) individuals from King Abdulaziz University male and female students. The study reached a set of results, the most important ones are: The study revealed that males browse the site more than females do. The study showed a multiplicity and diversity of gratifications achieved by the respondents for using YouTube. The results of the study confirmed the validity of the hypothesis states there are statistically significant differences among the university students’ motives for using YouTube according to gender.