This study examines the motivational factors that influence Facebook users among the Malaysian Army to self-disclosure by adapting the Uses and Gratification Theory. All data were obtained from 1513 Facebook users in various military units in Peninsular of Malaysia, Sabah and Sarawak. Its dimension of breadth and depth measures the self-disclosure. The study found that information sharing, social interaction and self-expression are positively associated with breadth of self-disclosure and; relaxing entertainment and self-expression are positively related to the depth of self-disclosure. Meanwhile, social interaction is negatively associated with depth of self-disclosure. However, information sharing is not related to depth of self-disclosure and relaxing entertainment is not related to breadth of self-disclosure.