Sessenbach is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.

The community lies in the Westerwald between Koblenz and Siegen in the Kannenbäckerland ("Jug Bakers’ Land", a small region known for its pottery industry).

The Saynhof (1331, Hof “Uf der Seijne”) found itself in many owner's hands, ending up in 1723 under the Oberwerth Monastery's ownership.

Today, Sessenbach has roughly 550 inhabitants living in 160 houses with all together 230 dwellings in an area of 2.8 km2.

The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.