Objective: This study was conducted to determine the knowledge and attitudes about organ donation of college students studying in health-related sections. Materials and Methods: This cross-sectional study was conducted between 15 April - 15 May 2015. The sample of the study consisted of 764 students. Students are selected by simple random sampling and the students who agreed to participate were included in the sample. Data of the study were collected using socio-demographic information form and questionnaire about knowledge and attitudes of organ donation prepared by the researchers in line with the literature. Results: The mean age of the students was 20.66 ± 1.73 and then 43.84% of male and 56.16's% of female. The study showed that only 2.4% of the students donated organs. 38.7% of students stated that while seeking an organ donor, 24% of students reported that they did not want to donate their organs. There were seen that 56.5% of students received information about organ donation before. Conclusion: The knowledge level of the students were found to be good. In line with these findings, it is thought that health care professionals of the future should be supported to change their attitudes about organ ties.