Purpose of investigation: The impact of grand multiparity on perinatal outcomes remains unknown. The authors aimed to assess perinatal outcomes in grand multiparous women in Jordan. Materials and Methods: In this retrospective case-control study of 161 grand multiparous and 163 multiparous women, maternal and neonatal outcomes were assessed. Statistical analysis included logistic regression with adjustment for age and booking status. Results: The prevalence of grand multiparity was 1.8%. Grand multiparous women had a significantly higher risk of gestational hypertension, diabetes, preterm delivery, and cesarian section, but significantly lower risk of requiring labor augmentation and perineal tears. Neonates of grand multiparous had a significantly higher risk of low birth-weight (LBW) and requiring NICU admission. However, after adjustment, none of these retained statistical significance. Conclusion: Risk of gestational diabetes, hypertension, preterm labor, cesarean section, LBW, and NICU admission were primarily related to advanced maternal age rather than grand multiparity in Jordanian women.