Abstract: This study aimed to evaluate the relationship between perceived organizational support and organizational effectiveness in among of employee. The method of this study was descriptive-correlation. The study population composed of employed in Virtual Faculty of Isfahan University in 2014-2015. Data were gathered by perceived organizational support questionnaire and organizational effectiveness questionnaire. Data analyzed using mean, standard deviation, Pearson�s correlation and regression by SPSS-19 Software. The findings indicated that there was a significant and positive relationship among perceived organizational support and organizational effectiveness (r = 0.371, p≤0.01). Perceived organizational support effect have on organizational effectiveness (R2 = 13.8%).