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A new fluorous nano-palladium catalyst was prepared and characterized. The catalytic activity of the catalyst has been evaluated for the Suzuki reaction of aryl halides and aryl boronic acids to afford the corresponding products in high yields. The reaction proceeded smoothly in the presence of 0.1 mol% catalyst in EtOH/HO at room temperature. In addition, the catalyst could be recovered by fluorous liquid-liquid separation and reused for three times without significant loss of activity. Graphical Abstract: The Suzuki reaction catalyzed by a new fluorous nano-palladium catalyst to afford the products in high yields at room temperature has been described. The catalyst can be recovered by fluorous liquid-liquid separation and reused for several times without significant loss of activity. [Figure not available: see fulltext.] [ABSTRACT FROM AUTHOR]