en Nursing Original Article <div style="text-align: justify;"><strong>Background:</strong>&nbsp;The quality of hospital systems depends greatly on the performance of nurses, and the performance of nurses has a significant effect on individual patients` satisfaction. Therefore, it is important to examine the factors related to nurses&#39; performance. This study was designed to investigate the relationship between spiritual intelligence and occupational hardiness and the job performance in pre-hospital and hospital emergency nurses in Yazd.</div> <div style="text-align: justify;"><strong>Methods:</strong> This cross-sectional study was carried out on 132 nurses working in pre-hospital and hospital emergency in Yazd University of Medical Sciences, who were selected using stratified sampling with proportional allocation in 2016. Data were collected through three questionnaires including spiritual intelligence, occupational hardiness and job performance. Data was analyzed using descriptive statistics and multiple regression in SPSS version 19.0 (IBM, USA).</div> <div style="text-align: justify;"><strong>Results:</strong>&nbsp;The mean score of job performance, spiritual intelligence and occupational hardiness were 52.46&plusmn;11.16, 121.32&plusmn;12.59, and 53.29&plusmn;8.72, respectively. According to the results, spiritual intelligence and occupational hardiness can predict the job performance. (R²=%18, P<0.01). Both spiritual intelligence (&beta;=0.32, P=0.001) and occupational hardiness (&beta;=0.24, P=0.004) showed significant positive contribution in the prediction of the job performance.</div> <div style="text-align: justify;"><strong>Conclusions:</strong>&nbsp;According to the results, developing spiritual intelligence and occupational hardiness can help to improve the job performance of the pre-hospital and hospital emergency nurses.</div> Intelligence, Spirituality, Job Performance, Emergency, Nurses, Hardiness 1 10 http://nmj.goums.ac.ir/browse.php?a_code=A-10-1023-3&slc_lang=en&sid=1 Fahimeh Dehghani f.dehghani@yazd.ac.ir 10031947532846006476 10031947532846006476 Yes Department of Psychology, Faculty of Psychology and Educational Sciences, Yazd University, Yazd, Iran. Fatemeh Foroughian Yazdi 10031947532846006477 10031947532846006477 No Department of Psychology, Faculty of Literature and Human Sciences, Shahid Bahonar University of Kerman, Kerman, Iran. Rohollah Askari 10031947532846006478 10031947532846006478 No Department of Health Care Management, School of Public Health, Shahid Sadoughi University of Medical Scienc-es, Yazd, Iran.