The purpose of this study was to examine the relationship between the leadership style of principals’ and teachers’ organizational commitment in primary schools of Dega Damot Woreda, Amhara National Regional State. A correlational research design was used to conduct the study. The sample of the study consisted of 147 teachers’ from 10 general public primary schools that was selected using a simple random sampling technique. Teachers participated in the study. Data were collected using close ended standardized questionnaire. The data were analyzed using both descriptive and Pearson correlation statistics. Descriptive statistics such as mean and standard deviations were used while; Pearson correlation coefficient analysis techniques were used. The findings of the study indicated that the autocratic leadership style with a mean score of 3.89 was found that has been predominantly adopted by principals. Continuance commitment with a mean score of 3.78 was found the commitment that has been highly exhibited by teachers. Finally, a statistically significant positive and strong relationship was found between principals’ leadership style and teachers’ organizational commitment in general primary schools’ of Dega Damot Woreda. In conclusion, autocratic leadership has been predominantly used by principals followed by democratic leadership style in the schools when laissez- fair leadership style was used least. Moreover, continuance commitment has been highly exhibited by the teachers over those normative and affective commitments. Autocratic and Democratic leaderships were also significantly correlated with commitments. The study recommended that managers in educational organizations in general and principals in schools should gain the advantage of competent leadership styles in acquiring and retaining teachers by keeping them motivated and committed.