The purpose of this study was to assess and investigate the relationshiprnbetween coaches and federation, coaches and players and among players andrnsuggest how to develop interaction in between them and its importance forrnBasketball development in Addis Ababa city administration. The researcherrnmotivates to conduct his study on Coach -Federation and coach-playerrnrelationship because relationship is considered as one of the mainrndeterminant factor for Basketball development. Coaches, federation workersrnand three clubs form female, four from first division men and two from secondrndivision men of each six players were the participants if the study. They werernselected by using simple random and stratified sampling methods. The majorrninstruments in this study were questionnaire, interview, document Analysisrnand field observation. The findings of the study related to the interpersonalrnrelationships among players of the team indicated that, 52% of the playersâ€™rnresponded that there is a mutual respect and were made freely communicaternand take responsibilities about each other and with the coaches. 88% of thernFederation workers replied that there is no smooth relationship in betweenrnBasketball Coaches and Basketball federation; because coaches donâ€™t havernany benefit that provided from the federation except the upgrade training thatrnis given by the help of the federation. In general, the study confirmed that 88%rnof Basketball coaches have no good relationship with the Federation and;rnwhere as 58% of the Coaches have mutual respect with the players, whichrnindicate that there is mutual respecting between majority of the coaches andrnplayers.rnKey Words: Working jointly, Interpersonal relationships, Team cohesion,rnRole, Human relationship, Interaction and Closeness