Background: COVID-19 is a highly contagious respiratory illness that poses a significant public health emergency, leading to varying levels of respiratory, physical, and psychological challengesTop of Form. Aim: the aim of this study to evaluate the effectiveness of rehabilitative nursing intervention on pain, anxiety, stress and quality of life among elderly patients post COVID-19. Methods: A quasi-experimental design research design (one group pre & posttest). Fifty elderly patients of both genders were selected from those who had attended the Post COVID-19 outpatient clinic.  Tools: A structured interview questionnaire was created, encompassing personal attributes and medical background, the numeric pain rating scale, post-COVID conditions assessment, coronavirus anxiety scale, the 36-item COVID stress scales, and post-COVID-19 pandemic quality of life evaluation. This questionnaire was administered both before and after the intervention. Results: There was a significant improvement in pain, anxiety stress and quality of life among elderly patients post COVID-19 in the post-test compared to the pre-test (p value= 0.001). Also, there were significant positive correlations among pain with stress, and anxiety levels in post-tests (r values 0.479, 0.463), respectively and there were significant negative correlations among quality of life with pain, anxiety and stress levels in post-tests (r values -.455, -.727, -.708), respectively.Conclusion: The study revealed significant improvement of pain, stress, anxiety levels, and quality of life among the elderly patients after implementation the rehabilitative nursing intervention. Recommendation: Further research is needed to explore challenges associated with post-COVID complications and the enhancement of resilience among older adults in coping with the stresses brought by the post-COVID complications.