Oberhaid 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 on the edge of the Kannenbäckerland.

Through the community flows the Sayn, which belongs to the Rhine drainage basin.

Oberhaid belongs to the Verbandsgemeinde of Ransbach-Baumbach, a kind of collective municipality.

Bundesautobahn 3 and the Cologne-Frankfurt high-speed rail line run through Oberhaid's municipal area.