fa Nursing Original Article <span style="font-size:14px;"><span new="" roman="" style="font-family:" times=""><b>Background:</b> It is believed that COVID-19 has caused significant fear among older adults. The province of Golestan has a unique ethnic diversity, which requires examining the beliefs and concerns of older adults about health and disease. The aim of this study was to compare the fear of COVID-19 among Persian and Turkmen older adults. </span><br> <span new="" roman="" style="font-family:" times=""><b>Methods:</b> This descriptive-analytical study was conducted on 500 older adults of Persian and Turkmen ethnicities covered by health centers in Bandar Turkmen (Golestan-Iran) from 2021 to 2022. Sampling was done by availability, and the samples were extracted from the list of older adults in the NAB system. Demographic data and the COVID-19 fear questionnaire were used to collect information. Data were analyzed using SPSS version 18 and Mann-Whitney U, Chi-square, and ANOVA tests at a significance level of 0.05.</span><br> <span new="" roman="" style="font-family:" times=""><b>Results:</b> The mean and standard deviation age of the participants in the Persian and Turkmen ethnicities were 70.99&plusmn;6.91 and 73.66&plusmn;7.66, respectively. The mean score of fear of COVID-19 in Persian older adults was 20.59&plusmn;2.24, and in Turkmen older adults was 22.02&plusmn;1.34, which showed a statistically significant difference (p<0.001). Fear of COVID-19 had a significant statistical relationship with occupation, education level, history of COVID-19 infection, hospitalization history, and having a COVID-19 patient in the family (p<0.001).</span><br> <span new="" roman="" style="font-family:" times=""><b>Conclusion</b>: The results of this study showed that fear of COVID-19 was higher among Persian older adults. Ethnic and clinical differences in COVID-19 can have an impact on preventive care in the healthcare system.</span></span> Covid-19, Fear, Aged, Ethnicity, Turkmen people 11 14 http://nmj.goums.ac.ir/browse.php?a_code=A-10-8-31&slc_lang=fa&sid=1 Maliheh Makhtum 100319475328460012311 100319475328460012311 Yes School of Nursing and Midwifery, Golestan University of Medical Sciences, Gorgan, Iran Naser Behnampour 100319475328460012312 100319475328460012312 No School of Health, Golestan University of Medical Sciences, Gorgan, Iran Akram Sanagoo 100319475328460012313 100319475328460012313 No School of Nursing and Midwifery, Golestan University of Medical Sciences, Gorgan, Iran Hossein Nasiri 100319475328460012314 100319475328460012314 No School of Nursing and Midwifery, Golestan University of Medical Sciences, Gorgan, Iran Leila Jouybari 100319475328460012315 100319475328460012315 No School of Nursing and Midwifery, Golestan University of Medical Sciences, Gorgan, Iran