The purpose of this paper is to explore the relationship between sex, gender-role orientation (GRO) and the decision to become an entrepreneur. Because of the fact that gender stereotypes have influences on the preferences and choices of individuals in their career, this research proposes the following objectives: to determine the existence of gender stereotypes that have an influence on human behaviour and specially in this research context; to measure the GRO of each individual; and, finally, to analyze the relationship between the entrepreneurial intention, the sex and the GRO of participants.