Abstract. [Purpose] This study was conducted to investigate the impact of combining core stability exercises with ball and balloon exercises on chronic non-specific low back pain (CNLBP). [Subjects and Methods] Sixty participants were randomly allocated to Group A (core stability exercises with ball and balloon exercises) and Group B (core stability exercises alone), engaging in sessions three times weekly for four weeks. Pain intensity was evaluated using a visual analogue scale (VAS), while spinal function was assessed using the Arabic Oswestry Disability Index (AODI), and pulmonary function was measured via pulmonary function tests before and after the study. Group A demonstrated statistical significant reductions in pain intensity, improvements in functional ability (AODI scores), and enhanced pulmonary function compared to Group B. [Conclusion] it was concluded that combining ball and balloon exercises with core stability exercises is better than core stability exercises only in treatment of (CNLBP). [Keywords] Core Stability Exercises, Ball and Balloon Exercises, Chronic Non-Specific Low Back Pain