The study investigated the extent of involvement of planning and coordination practices for conflict management in college of education libraries in south-east and south-south Nigeria. Descriptive survey design was employed in the study while two research questions were answered. The population and sample of 528 members of colleges of education library staff in South East and South-South, Nigeria was used for the study using a non-randomized purposive sampling method. A structured questionnaire titled Planning and Coordination Practices for Conflict Management in Libraries Questionnaire (PCPCMLQ) was used for the study. The instrument was face and content validated through consultation with three Veteran Researchers in Library and Information Science, Educational Psychology and Measurement and Evaluation from University of Nigeria Nsukka and Nnamdi Azikiwe University Awka. Pearson’s Product Moment Correlation was used to obtain a reliability co-efficient, r = 0.88, which confirmed the instrument is consistent in its measurement. Mean, , and Standard deviation, SD. The results revealed among others that, to a high extent, coordination is carried out as a conflict management practice to enhance service delivery in college of education libraries. It was concluded that effectively harnessing the potentials of planning and coordination practices for conflict management will no doubt lead to enhanced service delivery in college libraries. The study recommended for adequate planning and coordination practices for conflict management that will enhance service delivery in college of education libraries in South-East and South-South, Nigeria.