This study investigated the influence of traumatic stress and anger expression on violent crime among youths in Abuja Municipal Area Council (AMAC), Federal Capital Territory, Abuja. The study adopted a quantitative, cross-sectional survey research design. The population comprised of youths residing in selected communities within AMAC, from which a sample of 234 selected using a multistage sampling technique which include 136 males and 98 females. Data were collected using standardized instruments measuring traumatic stress, anger expression, and violent crime. The instruments demonstrated satisfactory reliability coefficients during the pilot study. Data were analyzed using descriptive statistics, simple linear regression and multiple regression analysis at the 0.05 level of significance. The findings of hypothesis one analysis revealed that traumatic stress have significant influence on violent crime among youths in Abuja Municipal Area Council (AMAC) (β = .473, t = 8.622, p < .05, 95% CI [0.347, 0.637]. The R² value of .242 indicates that traumatic stress accounted for 24.2% of the variance in violent crime among youths in Abuja Municipal Area Council (AMAC). Furthermore, the results of hypothesis two analysis revealed that anger expression significantly influenced violent crime among youths in Abuja Municipal Area Council (AMAC) (β = .582, t = 10.304, p < .05, 95% CI [0.429, 0.727] The R² value of 31.4 indicates that anger expression accounted for 31.4% of the variance in violent crime among youths in Abuja Municipal Area Council (AMACThe study concluded that traumatic stress and anger expression are important psychological factors associated with violent crime among youths in Abuja Municipal Area Council. It was recommended among others that government agencies, mental health professionals, community leaders, and non-governmental organizations should implement trauma-informed mental health services, anger management programmes, and community-based interventions aimed at reducing violent crime among youths.