Studies lifestyles of male consumers in Bangkok based on three dimensions : activities, interests, and opinions. By using questionnaire, the researcher collected data from 612 male consumers aged 12-49 years old. The results revealed that activities, interests, and opinions of the sample can be divided into 8, 11, and 13 groups, respectively. When combining the three together, 14 AlOs lifestyle patterns were shown. They are: (1) Self-fulfiling, (2) Workaholic, (3) Superstitiously money-grubbing, (4) Futuristic, (5) Challenge-loving, (6) Self-sufficient oriented, (7) Politic oriented, (8) Social norm obedient), (9) Despondent, (10) Socialable, (11) Avant-garde, (12) Conservative, (13) On the run, and (14) Sportmanship. In addition, demographic variables (i.e., age, education, occupation, income, and status) were related to membership on lifestyle groups.