PURPOSE: Emerging evidence indicates that injury-specific confidence and performance may be predictive for return to sport (RTS) in patients following anterior cruciate ligament reconstruction (ACLr), however how patient confidence varies across differing tasks remains to be determined. The purpose of this study was to examine self-reported task-specific confidence for three functional tasks and injury-specific psychological readiness (ACL-RSI: ACL-Return to Sport after Injury) in patients at 6-months post-ACLr. It was hypothesized that confidence would vary between limbs and tasks and that confidence would correlate with ACL-RSI and performance on the affected (Aff) limb. METHODS: 32 participants (20F:12M, 25.6 ± 8.5 yrs, 82.4 ± 22.2 kg, 176.2 ± 8.8 cm, ACL-RSI 50 ± 22%) completed the single leg hop (SLH), drop vertical jump (DVJ), 5-0-5 change of direction (COD) task, and the ACL-RSI questionnaire at 6-months following ACLr. Confidence was rated for both limbs (Aff, unaffected (UA)) after each task on an 11-point scale from “0” (no confidence) to “10” (full confidence). RESULTS: Confidence was lower on Aff limb for the SLH (Aff: median 6 (range 2-9), UA: 9 (6-10), p < 0.001), DVJ (Aff: 6 (3-9), UA: 10 (6-10), p < 0.001) and COD (Aff: 7 (2-10), UA: 9 (7-10), p < 0.001). Aff performance was reduced for the SLH (Aff: 88.3 ± 41.4 cm, UA: 117.7 ± 42.2 cm, p < 0.001), and DVJ (Aff: 1.6 ± 0.6 N/kg, UA: 2.30 ± 0.59 N/kg, p < 0.001), but COD times were marginally faster (Aff: 3.3 ± 0.5 s, UA: 3.4 ± 0.5 s, p = 0.047). Aff limb confidence for the SLH (ρ = 0.544, p = 0.001) and COD (ρ = 0.486, p = 0.005) were correlated with the ACL-RSI while the DVJ was not (ρ = 0.346, p = 0.052). Raw performance on both limbs for the SLH (Aff: ρ = 0.558, p = 0.001, UA: ρ = 0.565, p < 0.001) and COD (Aff: ρ = -0.643, p < 0.001, UA: ρ = -0.627, p < 0.001) correlated with the ACL-RSI but not for the DVJ or when any measure was expressed as a symmetry index (LSI; SLH rs = 0.167, p = 0.360; DVJ rs = -0.029, p = 0.877; COD rs = 0.127, p = 0.49). CONCLUSIONS: Asymmetries in confidence exist between limbs even when performance differences are minimal (COD). Aff task-specific confidence and unilateral performance (SLH and COD) correlate with the ACL-RSI to a higher degree than DVJ or performance LSIs. Task-specific confidence may be more reflective of readiness to RTS than traditional performance measures alone.