Rainhard \ra(i)-nha-rd, rain-hard\ as a boy's name is a variant of Rainart (Old German), and the meaning of Rainhard is "brave counsel".

The baby name Rainhard sounds like Reinhard and Rainhardt. Other similar baby names are Dainhard, Barnhard, Dainehard, Einhard, Meinhard, Maynhard, Reinhart, Reinhardt, Rainhold and Raynard.