The aim of this paper was to describe the association between assertiveness, resistance to group pressure and level of alcohol consumption in university students of both genders, ages between 16 and 33, who attended two educational institutions. The Rathus Assertiveness Scale, the Resistance to Group Pressure Questionnaire and the Audit Test for alcohol consumption were administered. In addition, some more specifi c data about consumption were also included. Results show a signifi cant association between variables such as level of alcohol consumption, assertiveness and resistance to group pressure. The fi ndings about alcohol consumption, based on social conditions and development of the youth are discussed. Keys words: Assertiveness, group pressure, alcohol consumption, university students. ASSERTIVIDADE, RESISTENCIA A PRESSAO DO GRUPO E CONSUMO DE ALCOOL