The major purposes of the study were to examine the perceptions of Jimma universityrnteachers regarding students', colleagues' and department heads' evaluations of theirrnteaching pelformance, There are six faCIlities and one college in Jimma university. Fromrnthese, 95 teachers were considered. Questionnaire lVas used to collect data on teachers'rnperception, Analysis of variance (ANOVA) and t-testlVere employed to analyze the data,rnThe result revealed that Jimma University teachers had favorable perceptions regardingrnthe faculty teaching pelformance evaluation system, Although teachers had positivernaltitude on the purpose off acuity teaching performance evaluation, there were differencesrnacross faculties and they had some doubt about the competence and faim ess of students asrnevaluators, Besides, teachers viewed that the system of the evaluation enhances studentteacherrnrelationships, On the other hand, students evaluation is perceived to be affectedrnby the grades students ' received or expected and impairs academic freedom of teachers,rnTeachers also had positive attitude regarding student-teacher face-to-face evaluationrnsystem but opposed the continuation of the evaluation system as it is, There werernperception differences among teachers regarding department heads' evaluationrnqualification and teaching experiences wise, [t is generally recommended that sufficientrnorientation be given both to the evaluators and evaluatees, Moreover, each faculty isrnrecommended to design its own evaluation instrument for a better evaluation system,