Abstract: The growth of manufacturing industry in Indonesia is quite high but unfortunately it is followed by the higher number of accidents. Therefore, Occupational Safety and Health Management System (OSHMS) including behavior based safety approach needs to be implemented to reduce the accident rate. The purpose of this study is to identify one aspect of behavior based safety approach that is the personality types that affect workplace accidents. The 56 workers in forging department and casting departement PT. X is involved voluntarily in this study. Personality is assessed using HEXACO Model which divide personality into 6 dimensions honesty-humility (H), Emotionality (E), extraversion (X), Agreeableness (A), Conscientiousness (C) and Openness to experience (O). Data of occupational accidents is obtained from self-reports. Discriminant analysis was used to explore the contribution of personality type to accident. The study shows that the dimensions of personality that affect workplace accidents are honesty-humility (H), Emotionality (E) and Openness to experience (O) with negative effects and Conscientiousness (C) with positive effect on accident.