The purpose of this study was principals’ leadership styles and teachers’ motivation inrngovernment secondary schools of south west shoa zone. Hence, it investigates the type ofrnleadership practice and promote teachers’ motivation factory affecting teachers’ motivation inrnthe study area. To accomplish this purpose, the study employed descriptive survey researchrnmethod, which is supplemented by qualitative research. The study was carried out in 8rnrandomly selected secondary schools of south west shoa zone. A total of 207 individualsrnparticipated in the study. Among them 179 teachers were included as a sample through simplernrandom sampling technique especially lottery method, 22 secondary school principals, and 6rncluster supervisor were included by availability and purposive sampling respectively.rnQuestionnaires were the main instrument of data collection. Interviews and documents analysisrnwere also utilized to substantiate the data collected through the questionnaire. The analysis ofrnthe quantitative data was carried out by using frequency, percent, mean, and standardrndeviation. While data obtained through open ended questions, and interview were qualitativelyrnanalyzed. The result of the study revealed that, moderate democratic leadership style, lassie-fairrnand autocratic are practice leadership style in secondary school of South West Shoa Zone.rnOverall, scores in democratic leadership style were found to be strongly related with teachers’rnjob motivation while autocratic leadership style is not. Further , no judge for achievement ofrneach staff frequently, no discuss the school issues change with staff prior to taking action, lessrnpractice approve decision pass to staff, low delegate each responsibility to staff teachers’ andrnmotivation factors such school policies, supervisors continuous support teachers, providerntraining on various issue, and initiation teachers discuss on various academic issues and alsornabsence of incentive and benefits for extra working in schools are main factor influencernteachers motivation in secondary schools of study area. Finally Conclusion reached therndemocratic leadership style positive significant relation with teacher’s job motivation whereasrnautocratic leadership style negative significant relation with job motivation in schools. Andrnalso, the study comes up with the following recommendations: the school principals workrnstrongly how motivating teachers by use democratic leadership style over autocratic, creaternstrong and smooth relationship with teachers, attractive work condition of school and arrangernincentive and benefits for extra work of teacher and rewarding those teachers who best achievernin the school of the woreda education and administration.