Introduction: In the recent decades interest in the consequences of spirituality among the staff of military organizations has increased; this involves areas affected by high levels of spirituality, increase physical and spiritual discipline employees. This study examined the role of spirituality on physical and spiritual discipline of staff of the armed forces of the Islamic Republic of Iran has accepted.

Objective: This study aimed to examine the role of spirituality in the spiritual discipline of staff of the armed forces of the Islamic Republic of Iran.

Materials and Methods: This study was a survey and the sample size consisted of 390 employees of the armed forces that were selected by stratified random sampling method. The research was carried out during year 2015 and was used to measure spirituality of employees, using the Piedmont scale. In order to assess the reliability of the questionnaire Cronbach›s alpha coefficient and test retest methods were used, and to test the hypotheses, Kendall and Spearman correlation coefficient and multivariate regression were used.

Results: The results indicated a significant relationship between variables of spirituality and physical and spiritual discipline of the armed forces personnel and confirmed both hypotheses (influence of spirituality on physical discipline and spirituality).

Discussion and Conclusion: The test results between spirituality and physical discipline (t=4/395 & P< 0/05) and spirituality and spiritual discipline (t=5/465 & P<0/01) of armed forces personnel and research hypothesis was confirmed by both parties.