Flumeri (Irpino: Flùmmërë) is a town and comune in the province of Avellino, Campania, southern Italy.
Located in the Apennines upon a knoll within the Ufita Valley, the town is part of the Roman Catholic Diocese of Ariano Irpino-Lacedonia. Its territory borders with the municipalities of Ariano Irpino, Castel Baronia, Frigento, Grottaminarda, San Nicola Baronia, San Sossio Baronia, Sturno, Villanova del Battista and Zungoli.
