This study aimed to investigate the combined effects of Self-Regulated Learning (SRL) and Academic Procrastination (AP) on Smartphone Addiction (SA). It also aimed at investigating the relative contribution of SRL and academic procrastination to SA among second year- middle school learning disabled students. Moreover, it sought to explore if there were correlations between and among SRL and AP on SA. Quantitative survey research was employed. 68 students from the four schools were selected. The results revealed that there were correlations between and among SRL, AP and SA. Both SRL and AP contributed to the prediction of SA. AP is a more potential predictor than SRL. The results raise our awareness of the negative impact of SA upon students as students who are supposed to be of no risk for SA could use high SRL strategies. Additionally, students who are used to using smartphone excessively are rarely able to attain high academic achievement, and may delay doing their assigned homework.