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Background: The Gugging Swallowing Screen (GUSS) is a bedside dysphagia screening tool that has been designed to determine the risk of aspiration in acute stroke patients. There is no evidence in the literature for the GUSS for the pediatric population. The present study aimed to determine the diagnostic accuracy of GUSS as a screening tool in the Greek language for children with dysphagia. Methods: Eighty‐Greek‐Cypriot children aged 3–12 years who had dysphagia participated in this retrospective study. The translated into Greek GUSS was administered twice (pre‐ and post‐therapy) to each patient throughout 24 sessions of dysphagia therapy. Key Results: The GUSS showed a high internal consistency (Cronbach's α = 0.826), good test–retest reliability (rs = 0.767), convergent validity compared to the Greek Pediatric Eating Assessment tool‐10 (PEDI‐EAT‐10) total score (rs = −0.365), and inter‐rater reliability (κ = 0.863). A total cutoff points equal to 13.00 was also calculated. Aspiration was identified by the GUSS with low sensitivity and high specificity (PPV 100%, NPV 57%, LR+ NA, LR− 0.79); dysphagia/penetration was identified with high sensitivity and low specificity (PPV 33%, NPV 100%, LR+ 0.102, LR− NA). Conclusions & Inferences: The pediatric version of GUSS has been found to be a valuable tool in identifying the risk of aspiration as that of adults. It proved to be used as a good screening guide for selecting and confirming the existence of dysphagia from instrumental assessments. This is the first study of the pediatric version of GUSS, and future studies on this topic are needed. [ABSTRACT FROM AUTHOR]