The paper examines the Influence of Public Service Motivation, Job Satisfaction, and Continua Commitment on Organizational citizenship Behavior of Public sector employees. Using a stratified random sample, 201 employees were selected from public organizations (Ministry of Agriculture, finance, ministry of Health, ministry information, and ministry of justice in Nigeria. A Questionnaire was used to obtain data, and PLS-SEM v.3.2.7 was employed to analyze it. Three hypotheses were framed and tested statistically. The findings show that a positive relationship exists between Public Service Motivation, Job Satisfaction, Continua Commitment, and Organizational Citizenship Behavior. These findings have implications for administrators and policymakers because it confirmed that workers with strong public service motivation, workers who are well satisfied, and workers who hold strong continua commitment are the ones that exhibit organizational citizenship behaviors. The findings have expanded the literature on Organizational Citizen Behavior, Public Service Motivation, Job Satisfaction, and continua commitment. Keywords: Commitment, Job Satisfaction, Public Service Motivation, Organization, Citizenship