The Reds were punished after fans displayed an illicit banner and used fireworks, as well as scuffling with Sevilla supporters.
Sevilla were fined 17,000 euros (£14,242) for crowd disturbances and the throwing of objects.
Liverpool were beaten 3-1 as Sevilla retained their title in Basel.
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Liverpool have been fined 16,000 euros (£13,404) by Uefa following crowd disturbances during their Europa League final defeat by Sevilla in May.