This study investigates the relationship between personality characteristics and organisational Affective Commitment of Bank employees in Nigeria. The sample consisted of two hundred and ten (210) respondents from ten (10) purposively selected area offices of banks in Port Harcourt. The Spearman’s Rank Order Correlation Coefficient Statistical Technique in Statistical Package for Social Sciences (SPSS) was used for the analyses of data. It was revealed that a positive and significance relationship exist between the five facets of personality characteristics and Affective commitment. These outcomes show that managers have the responsibility of devising ways to understand and effectively manage personality traits of their employees as each of these facets have potentials to be low or high that yields different results to the organisation. Banks should adopt personality tests at employment interview points to enable them identify employees whose talents can be optimised at work.
Keywords: Characteristic, Commitment, Employee, Nigeria, Personality