© 2020 Wiley Periodicals LLC Aim: This study was conducted to examine the effect of COVID-19 pandemic on the mental well-being and mental health of individuals. Design and Method: This cross-sectional questionnaire study was conducted with 614 individuals over the age of 18. Findings: Regarding the coronavirus outbreak, it was found that 84.9% of the participants are afraid/anxious. The psychiatric problems of the individuals who fear/worry about coronavirus becoming a pandemic, who stated that staying at home because of the outbreak negatively affect their mental health and that domestic violence cases have increased due to the outbreak were found to be higher (p < 0.05). Practice Implication: The coronavirus outbreak causes fear and anxiety in society. This triggers so many psychological symptoms.