Foot pronation is characterized by a reduced or absent medial longitudinal arch. The presence of pronated feet is thought to contribute to alterations in ankle-foot complex and hip and knee joint kinematics. There is little evidence analyzing the role of pronated feet in jump performance. PURPOSE: To investigate the effect of pronated (PR) and non-pronated (NP) feet on jump performance. METHODS: Thirty female collegiate athletes (20.2 ± 1.3 yrs, 70.4 ± 12.2 kg, 172.9 ± 8.8 cm, BMI 23.4 ± 2.6 kg/cm2) from various sports completed a pre-screening questionnaire and 7 subjects were excluded due to a history of lower-limb injury within the past year. Twenty-three subjects underwent ankle-foot evaluation and drop-countermovement jump (CMJ) testing using a force plate and integrated software. The subjects were categorized as either NP (n = 8) or PR (n = 15) based on the navicular drop (ND) test. Participants with ND > 10 mm were classified as having PR feet. Subjects with at least one foot classified as pronated formed the PR group while those with neither foot classified as pronated formed the NP group. Subjects performed a total of 9 drop-CMJ tests [3 bilateral (BL), 3 unilateral left limb (LL), 3 unilateral right limb (RL)]. RESULTS: With respect to BL CMJ performance, no significant differences (p > 0.05) between groups were observed for peak force (2412 ± 751 vs 2172 ± 467 N), propulsive impulse (340 ± 86 vs 339 ± 55 N/s), rate of power development (28009 ± 18705 vs 20270 ± 16647 W/s), take-off velocity (8.65 ± 1 vs 8.37 ± 0.6 ft/s) and peak positive power (3206 ± 795 vs 2966 ± 869 W). Significant correlations (p ≤ 0.05) between body weight (BW) and jump performance were observed for BL peak force (r = 0.59), RL peak force (r = 0.74), BL propulsive impulse (r = 0.83). LL propulsive impulse (r = 0.74), RL propulsive impulse (r = 0.80), BL peak positive power (r = 0.83), LL peak positive power (r = 0.80), RL peak positive power (r = 0.83). CONCLUSIONS: We observed no differences between the groups on BL jump performance. However, moderate to strong positive correlations between BW and CMJ performance were observed. The observed correlations between BW and CMJ performance may reflect an underlying relationship between lean mass and CMJ performance. Further investigation of the effect of foot posture on other components of sport performance is needed.