It seems reasonable to propose the idea that people would know more about their potential, if they understand themselves better and what drives their motivation. The reason is that they do not know their potential well enough. Knowing who they are and what they can do is important in sports, especially in team sports like handball. Understanding their potential will help them to be beneficial to achieve greater achievement and success in their range of sports participation. To date, the levels of psychological attributes, like mental toughness, self-confidence, and mental imagery were presented within the Ethiopian handball premier league have not been reported and we do not knew. Therefore, the objective of this study was to identify the psychological attributes of Ethiopian handball premier league players. To address the given objective a descriptive research design with quantitative survey approach was used. The data was collected by standard questionnaire and analyzed by using SPSS version 26. It is found that mental toughness of the players is moderate level, and there is no statistically significant difference between clubs regarding mental toughness. The self-confidence of the players is high, and there is no statistically significant difference between clubs regarding self-confidence. Mental imagery of the players found to be moderate level, and there is a statistically significant difference between clubs regarding mental imagery. According to the results the researcher concluded that the current level of payer`s mental toughness is identified to a moderate level and players playing in different clubs were the same level of mental toughness, current level of player`s self-confidence was described high level of self-confidence, and players playing in different clubs are almost the same level of self-confidence, and also the current level of players’ mental imagery found to be moderate level, and players playing in different clubs were identified different levels of mental imagery.