The study aimed to investigate the different degrees of tolerance and psychological well-being on the wisdom scale (high-medium-low) among university students. Hence, the study sought to identify the relationships between the variables of tolerance, psychological well-being and wisdom among university students. The study sample consisted of (300) female students from Princess Noura Bint Abdulrahman University (Applied College) who specialize in Computer Science Programs (Programming/Information Technology/Multimedia Design), Tourism and Hospitality Programs (Tourism and Travel Management/Culinary Arts/Hospitality Management), and Administrative Sciences Programs, (Office Management/Marketing). Their ages ranged from 18 to 22 years with an average age of (20.51) and a standard deviation of (1.23). The researcher prepared the tolerance scale and the psychological well-being scale. In addition, the Wisdom scale (Brown & Greene, 2006) has been Arabized by the researcher. The study has concluded that there is a statistically significant difference in the average degrees of tolerance at different levels of wisdom (high, medium and low) among university students. Moreover, there is a statistically significant difference in the average psychological well-being scores with different levels of wisdom (high-medium-low) among university students. There is a statistically significant correlation between tolerance and psychological well-being in the study sample. There is a statistically significant correlation between tolerance and wisdom among the study sample. There is a statistically significant correlation between psychological well-being and wisdom among the study sample.