Academic burnout is one of the major challenges of educational system. The purpose of this study is to investigate the relationship between academic burnout and academic performance of agricultural students. A sample of 247 students from Iranian Colleges of agriculture was randomly selected and answered to the questionnaire. Reliability and validity of instrument were determined through opinions of faculty members and application of Cronbach's Alpha. Data were analyzed descriptively and inferentially using SPSS (Statistical Package for Social Science)/Windows. Our study implied that both similarities and differences could be observed on the factors influencing academic burnout of agricultural students. The model obtained in the study revealed that the three dimensions of academic burnout had negative effects on academic performance. Based on the findings, recommendations were put forth.