| Roman thermae Sostra Troyan |
2 |
| Roman Thermae Varna |
1 |
| Roman tomb |
12 |
| Roman veterans |
16 |
| Roman villa |
33 |
| Roman villa Kasnakovo |
2 |
| Roman woman |
2 |
| Romanesque art |
1 |
| Romania |
86 |
| Romaniote Jews |
2 |
| Romans |
1 |
| Rome |
34 |
| Rome catacombs |
1 |
| Rome mausoleums |
1 |
| romphaia |
1 |
| Romuald I |
1 |
| Ronald Reagan |
1 |
| roof tile |
3 |
| Ropotamo River |
16 |
| rose oil |
1 |
| Rosemary Elliott Smith |
1 |
| Rosen Peevski |
1 |
| Rosen Plevneliev |
8 |
| Rosen Popov |
1 |
| Rosen Spasov |
1 |
| Rosen Yosifov |
1 |
| rosette |
6 |
| Rosina Kostova |
5 |
| Rositsa Mitkova |
1 |
| Rositsa Moreva |
2 |
| Rositsa River |
4 |
| Roskilde Museum |
1 |
| Rostislav Trayanov |
1 |
| Rostov-Dive Club |
1 |
| Round (Golden) Church |
2 |
| Round (Golden) Church in Veliki Preslav |
2 |
| round ship |
5 |
| Roxelana |
1 |
| Royal Lazienki Museum |
3 |
| royal palace |
3 |
| Rozovo Tomb |
3 |
| RPG |
1 |
| Ruchey |
2 |
| Rudarshtitsa River |
1 |
| Rudartsi |
1 |
| Ruegen Island |
1 |
| Ruen Hadzhinikolov |
1 |
| Ruets |
2 |
| Ruets tomb |
2 |
| Rumelia Eyalet |
2 |
| Rumen Dimitrov |
1 |
| Rumen Ivanov |
2 |
| Rumen Radev |
1 |
| Rumen Spasov |
4 |
| Rumyana Braynova |
1 |
| Rumyana Georgieva |
2 |
| Rumyana Koleva |
1 |
| Rumyana Proykova |
2 |
| Rumyana Yordanova |
1 |
| runic signs |
2 |
| Rupite |
2 |
| Rusalka Island |
2 |
| Ruscuk |
1 |
| Ruse |
50 |
| Ruse District |
9 |
| Ruse District Court |
1 |
| Ruse District Governor |
1 |
| Ruse Municipality |
4 |
| Ruse Numismatics Museum |
2 |
| Ruse Regional Musem of History |
4 |
| Ruse Regional Museum of History |
37 |
| Ruse University "Angel Kanchev" |
1 |
| Ruse-Varna Railway |
4 |
| Rusenski Lom Natural Park |
4 |
| Rusenski Lom River |
9 |
| Rusi Dimitrov |
1 |
| Ruslan Karagyozov |
1 |
| Rusocastro |
22 |
| Rusocastro Fortress |
27 |
| Rusocastron Foundation |
1 |
| Russia |
55 |
| Russian Academy of Sciences |
1 |
| Russian Apartment Bombings |
1 |
| Russian Empire |
35 |
| Russian Geographical Society |
1 |
| Russian Ministry of Defense |
1 |
| Russian Navy |
4 |
| Russian Orthodox Church |
1 |
| Russian Steam Navigation and Trading Company |
1 |
| Russian-Turkish War of 1787-1792 |
2 |
| Russian-Turkish War of 1806-1812 |
1 |
| Russian-Turkish War of 1828-1829 |
4 |
| Russian-Turkish War of 1877-1878 |
34 |
| Russian-Turkish Wars |
6 |
| Russians |
1 |
| rustication |
1 |
| Ryukyu Islands |
1 |
| Sabazios |
1 |
| saber |
4 |
| saber-toothed tiger |
1 |
