| Name | Medien | | R., W. | 1 |
| Rädeker, Ulrich | 1 |
| Radestock, Hans-Joachim | 2 |
| Rahier, Josef | 2 |
| Rahmann, Oscar | 3 |
| Raitz von Frentz, Freiherr Max | 2 |
| Raitz von Frentz, Reichsfreiherr Max Franz Joseph | 4 |
| Raitz von Frentz, Maximilian | 1 |
| Raitz von Frentz-Garrath, Emmerich Leopold | 1 |
| Ramail, Robert | 1 |
| Ramge, Helmut | 1 |
| Rang, Franz | 1 |
| Rath-Höring, Else | 1 |
| Rauch, Albert | 4 |
| Rduch, Wolfgang | 1 |
| Rech, Claus | 1 |
| Reck, Hans-Hermann | 1 |
| Reck, Jürgen | 1 |
| Reckmann, Richard | 1 |
| Redlich, Dr. Otto | 1 |
| Reeb, Wener | 1 |
| Reeb, Werner | 3 |
| Reget, Wolfgang | 0 |
| Regula, Walter | 1 |
| Rehm, Dr. Gerhard | 1 |
| Reichen, Heinz Georg | 1 |
| Reichert, Franz Rudolf | 1 |
| Reicherts, Willibald | 1 |
| Reichertz, Willibald | 1 |
| Reichmann, Dr. Christoph | 1 |
| Reidemeister, Gert | 1 |
| Reidt, Pfarrer Winfried | 1 |
| Reif, Karl Jürgen | 1 |
| Reif, Karl-Heinz | 31 |
| Reinard, Karl | 1 |
| Reinartz, N. | 1 |
| Reinartz, Nikolaus | 3 |
| Reinartz, Werner | 2 |
| Reiner Sauer | 1 |
| Reiners, Herbert | 2 |
| Reiners, Prof. Dr. Heribert | 1 |
| Reinholdt, Anke | 1 |
| Reise, Heinz | 3 |
| Reiss, Werner | 1 |
| Reissmüller, Reinhard | 2 |
| Reiter, Curt | 1 |
| Reiter, Joseph | 1 |
| Remer, Otto | 1 |
| Renn, Peter | 1 |
| Rettgen, Alfons | 6 |
| Reuleaux, Jo | 1 |
| Reulecke, Jürgen | 1 |
| Reuß, Peter Alexander | 1 |
| Reusch, Prof. Dr. Wilhelm | 1 |
| Reuscher, Paul | 1 |
| Rey, Josef Gerhard Hubert | 1 |
| Rhein-Sieg-Kreis | 4 |
| Rheinen, Werner | 1 |
| Rheinisch-Westfälisches Wirtschaftsarchiv zu Köln e.V. | 1 |
| Rheinische National-Druckerei | 1 |
| Rheinischer Verein für Denkmalpflege und Landschaftsschutz e.V. | 83 |
| Rheinisches Landesmuseum Bonn | 1 |
| Rheinland-Verlag und Betriebsgesellschaft - Rheinland Kultur GmbH | 2 |
| Ribbe, Wolfgang | 5 |
| Ribbeck, G. | 1 |
| Ribbeck, Dr. Karl | 3 |
| Richard, Jochen | 2 |
| Richau, Martin | 2 |
| Richter, A. | 1 |
| Richter, Thomas | 1 |
| Richter, Willi G. | 20 |
| Richtering, Helmut | 1 |
| Riechmann, Heinz | 3 |
| Riedel, Inge | 1 |
| Riedel-Karp, Ingrid | 1 |
| Rieder, Petra | 6 |
| Rijksarchiv in Gelderland Arnheim | 1 |
| Rijksarchiv Noord-Brabant | 1 |
| Ring, Klaus | 1 |
| Ring, Walter | 2 |
| Ring, Dr. Walter | 2 |
| Ringel, Werner | 1 |
| Riskes, Johannes | 2 |
| Risler, Walther | 1 |
| Ritgen, Otto | 4 |
| Rixecker, Albrecht | 0 |
| Rixen, Franz | 4 |
| Robling, Udo | 1 |
| Roch, Willy | 2 |
| Rockenbach, Klaus | 1 |
| Roelen, Josef | 7 |
| Roelen, Joseph | 3 |
| Roelen, Martin Wilhelm | 1 |
| Roesberg, Martin | 1 |
| Roesler, Dr. Gottfried | 4 |
| Rohde, Horst | 1 |
| Rohde, Martina | 1 |
| Rohde, Martina / Fritz Giese | 1 |
| Rohfleisch, Martina | 7 |
| Rohloff, Margret | 1 |
| Rohr, Wilhelm | 1 |
| Roland zu Dortmund e.V. | 1 |
| Rollenbeck, Friedrich | 2 |
| Römer, Manfred J. | 5 |
| Romeyk, Horst | 1 |
| Römgens, Franz-Josef | 1 |
| Rommel, Franz | 4 |
| Rommel, Manfred | 2 |
| Ronig, Franz | 3 |
| Roos, Stefan | 1 |
| Roß, Fredi | 1 |
| Rösch, Siegfried | 1 |
| Rösen, Heinrich | 9 |
| Rosen, Klaus-Henning | 1 |
| Rosen, W. | 1 |
| Rosenbrock, Dr. Gerd | 1 |
| Rosenkranz, Albert | 3 |
| Rosenkranz, Ed. | 1 |
| Röser, Reinhold | 1 |
| Rössel, Werner | 1 |
| Rost, Wilhelm | 3 |
| Rost, Wilhelm Bernhard | 1 |
| Roth, Fritz | 16 |
| Rothbrust, Barbara | 1 |
| Rother, Thomas | 1 |
| Rothkegel, Stephan | 4 |
| Rothscheid, Wilhelm | 1 |
| Rothscheidt, Wilhelm | 1 |
| Rothscheidt, Wilheln | 2 |
| Rothstein, Rainer | 1 |
| Rotscheidt, Wilhelm | 3 |
| Rottenkolber, Dr. Josef | 1 |
| Röttger, R. | 1 |
| Röttges, Otto | 2 |
| Rotthauwe gen. Löns, Helmut | 2 |
| Rotthoff, Dr. Guido | 6 |
| Rotthoff, Guido | 1 |
| Rottland, Hans Günther | 1 |
| Rouette, Heinz K. | 1 |
| Rubbert, Günter | 1 |
| Rübenach, Bernhard | 1 |
| Rübens, F. | 4 |
| Rübens, Dr. Frida | 1 |
| Rübens, Frida | 3 |
| Rübens, Frieda | 1 |
| Rudel, Klaus | 1 |
| Rudnick, Bert | 1 |
| Rüger, Christoph B. | 2 |
| Rühl, Herbert | 1 |
| Ruhr, Carl | 1 |
| Ruland, Harmi | 1 |
| Rummel, Walter | 1 |
| Rünz, Manfred | 1 |
| Rupp, Benedikt | 0 |
| Rupp, Philipp | 0 |
| Ruppersberg, Albert | 2 |
| Ruppert, Helmut S. | 1 |
| Rupprecht, Gerd | 1 |
| Rupprecht, Peter | 0 |
| Rusitschka, Dr. Sonja | 1 |
| Russ, Hans Hermann | 2 |
| Ruth Elmpt | 1 |
| Rüttgers, Manfred | 6 |
| Ruzicka, Sabine | 1 |
