Introduction : suicide is a global public health problem. To detecting two factors are standouts, autolytic behaviors and ideation. Objective: was evaluate the suicidal risk and associated factorsin a group of Psychology students in a public college of Colombia. Material and Methods : a study of quantitative approach and transversal design with a group of 1265 Psychology students, was performed. Suicidal risk was evaluated through ISO-30 test, and a questionnaire was designed asking for sociodemographic, health, and self-harm numbers information. Descriptive and association measures were calculated. These instruments were applied during first half of the year 2013, with previous informed consent from every participant. Results : was found that 3, 6% have high suicidal risk, and 9, 1% have harmed themselves at least once in life. In relation to high risk of suicide, was found that women have three times more risk than men; those from west zone have eight times more risk than those from eastern center zone; for each student who is at risk and has not been harmed themselves, there are five who do what they have done; in addition, each student made a minimal risk of self-harm, there are six students who injured themselves seriously in seeking death. Conclusions : sex, age self-harm and consultation antecedents into health services, can be important predictors of suicidal risk in college students. This field needs more investigation. Keywords: Colombia, mortality, risk factors, suicidal ideation, suicide, suicide attempts, college students.