Updated June 9, 2019 Share: Boy name origins & meanings German : Brave-hearted Boy name variations Reinhart Reinhart 0 % this year Masculine Rare Find out more Reinhard Reinhard 0 % this year Masculine Rare Find out more Reinhardt Reinhardt + 75% this year Masculine Rare Find out more Rhinehard Rhinehard 0 % this year Masculine Rare Find out more Family name origins & meanings Partly Americanized spelling of German and Jewish Reinhardt, altered by folk etymology under the influence of the name of the river Rhine.