This research is motivated by the low emotional management, lack of self-confidence possessed by students, which impacts the learning outcomes obtained. This study aims to determine the relationship between intellectual and emotional intelligence on student learning outcomes on the subject of harmony in ecosystems. This research is a correlational study. The data collection technique used a Likert scale questionnaire on intellectual and emotional intelligence totaling 17 and 16 statement items and a test was conducted for student learning outcomes on the subject of harmony in ecosystems totaling 20 multiple-choice questions and data analysis was carried out with prerequisite tests (normality tests, and linearity tests) and hypothesis tests. The results of the study obtained with a total of 50 respondents that on average (1) there is a positive relationship between intellectual intelligence and student learning outcomes on the subject of harmony in ecosystems of 0.997 with a significance value of 0.000, (2) there is a positive relationship between emotional intelligence and student learning outcomes on the subject of harmony in ecosystems with a value of 0.445 and a significance value of 0.014, and (3) there is a relationship between intellectual and emotional intelligence and student learning outcomes on the subject of harmony in ecosystems with an R Square value of 0.630 and an Adjusted R Square of 0.598.