In this research, the relationship between fear of happiness among university students and their types of personality was investigated through analyzing various factors, such as relationships, gender, perceived parental attitudes and locations of upbringing. The subjects of study in this research consisted of the students at Balikesir Necatibey Faculty of Education in Balikesir city center in the spring term of the 2020-2021 academic year. The sample of the research included 252 students, selected with the random sampling method from the population, 160 of whom were female (63.5%) and 62 male (36.5%). For the data collection tools, the Big Five 50 Personality Questionnaire, Fear of Happiness Scale, and Personal Information Form were used. The independent samples t-test, correlation, multiple regression analysis and one-way multivariate analysis of variance (MANOVA) were applied in the analysis of the applied data. According to the findings gathered from the research, a negative low level of relationship exists between the students' fear of happiness levels and extraversion and neuroticism, which are specific personality traits. No significant relationship was found between fear of happiness and other traits. It was observed that personality traits predicted the students' fear of happiness levels significantly, explaining 8% of the change in the scores of the fear of happiness. While there was a significant result in favor of females in the dimensions of conscientiousness and agreeableness, a significant result was determined in favor of males in the dimension of neuroticism. Finally, it was noticed that there was no significant difference between the students' fear of happiness and their personality traits in terms of the perceived parental attitude.