The aim of this research is to analyze the relations between personality traits and subjective well-being. The number of the participants of the research was 234 (98 women/136 men). The age range of the study group was 18- 61. The Oxford Happiness Scale-Short Form and the Big Five Personality Scale were used. Findings showed that there was a significantly negative relationship between neurotic personality trait and subjective well-being. Findings also revealed that there were positive relationships between subjective well-being and extraversion, conscientiousness, agreeableness, openness. Besides, it was found that neurotic personality trait was a negative and extraversion was a positive predictor of subjective well-being.