| brazil | | streptococcus oralis | species | 3 | 0 |
| brazil | amazonas | streptococcus oralis | species | 0 | 1 |
| canada | alberta | streptococcus oralis | species | 28 | 0 |
| china | | streptococcus oralis | species | 6 | 0 |
| china | shandong | streptococcus oralis | species | 4 | 0 |
| denmark | capital region of denmark | streptococcus oralis subsp. dentisani | subspecies | 248 | 0 |
| denmark | capital region of denmark | streptococcus oralis subsp. oralis | subspecies | 2764 | 0 |
| denmark | capital region of denmark | streptococcus oralis subsp. tigurinus | subspecies | 36 | 0 |
| denmark | central denmark region | streptococcus oralis | species | 476 | 0 |
| denmark | region of southern denmark | streptococcus oralis subsp. oralis | subspecies | 142 | 0 |
| denmark | region of southern denmark | streptococcus oralis subsp. tigurinus | subspecies | 192 | 0 |
| denmark | region zealand | streptococcus oralis subsp. dentisani | subspecies | 108 | 0 |
| denmark | region zealand | streptococcus oralis subsp. oralis | subspecies | 163 | 0 |
| denmark | region zealand | streptococcus oralis subsp. tigurinus | subspecies | 26 | 0 |
| germany | | streptococcus oralis subsp. oralis | subspecies | 51 | 0 |
| germany | berlin | streptococcus oralis | species | 1 | 1 |
| germany | hesse | streptococcus oralis | species | 3096 | 0 |
| germany | lower saxony | streptococcus oralis | species | 343 | 0 |
| germany | thuringen | streptococcus oralis | species | 2 | 0 |
| india | | streptococcus oralis | species | 27 | 0 |
| india | chandigarh | streptococcus oralis subsp. oralis | subspecies | 1 | 0 |
| india | gujarat | streptococcus oralis | species | 1 | 0 |
| iran | | streptococcus oralis | species | 2 | 0 |
| iraq | | streptococcus oralis | species | 2 | 0 |
| ivory coast | | streptococcus oralis | species | 882 | 0 |
| ivory coast | dix-huit montagnes region | streptococcus oralis | species | 399 | 0 |
| ivory coast | sud-comoe region | streptococcus oralis | species | 882 | 0 |
| japan | | streptococcus oralis | species | 6 | 0 |
| japan | hokkaido prefecture | streptococcus oralis | species | 1 | 0 |
| japan | osaka prefecture | streptococcus oralis subsp. tigurinus | subspecies | 1 | 0 |
| kuwait | | streptococcus oralis | species | 1 | 0 |
| mexico | | streptococcus oralis | species | 1 | 0 |
| mexico | | streptococcus oralis subsp. tigurinus | subspecies | 1 | 0 |
| mexico | yucatan | streptococcus oralis | species | 1 | 0 |
| norway | | streptococcus oralis | species | 401 | 0 |
| saudi arabia | | streptococcus oralis | species | 3 | 0 |
| slovakia | | streptococcus oralis subsp. tigurinus | subspecies | 1 | 0 |
| south africa | | streptococcus oralis | species | 329 | 0 |
| south korea | | streptococcus oralis | species | 2 | 0 |
| south korea | | streptococcus oralis subsp. dentisani | subspecies | 1 | 0 |
| south korea | daegu city | streptococcus oralis | species | 2 | 0 |
| spain | | streptococcus oralis | species | 61 | 0 |
| spain | catalonia | streptococcus oralis | species | 4 | 0 |
| spain | valencia | streptococcus oralis subsp. dentisani 7746 | no rank | 19 | 0 |
| sweden | | streptococcus oralis | species | 150 | 0 |
| sweden | skane | streptococcus oralis | species | 16 | 0 |
| sweden | vasterbotten | streptococcus oralis | species | 255 | 0 |
| sweden | vastra gotaland | streptococcus oralis | species | 1 | 0 |
| switzerland | | streptococcus oralis subsp. tigurinus | subspecies | 4 | 0 |
| switzerland | | streptococcus oralis subsp. tigurinus 1366 | no rank | 31 | 0 |
| switzerland | | streptococcus oralis subsp. tigurinus 2425 | no rank | 32 | 0 |
| switzerland | | streptococcus oralis subsp. tigurinus 2426 | no rank | 53 | 0 |
| switzerland | | streptococcus oralis subsp. tigurinus az_3a | no rank | 48 | 0 |
| switzerland | zurich region | streptococcus oralis subsp. tigurinus | subspecies | 110 | 0 |
| taiwan | | streptococcus oralis | species | 0 | 2 |
| united kingdom | | streptococcus oralis | species | 532 | 0 |
| united kingdom | england | streptococcus oralis | species | 185 | 0 |
| united states | | streptococcus oralis | species | 264 | 0 |
| united states | | streptococcus oralis subsp. tigurinus | subspecies | 167 | 0 |
| united states | california | streptococcus oralis | species | 3 | 0 |
| united states | district of columbia | streptococcus oralis | species | 2 | 0 |
| united states | florida | streptococcus oralis | species | 31 | 0 |
| united states | illinois | streptococcus oralis | species | 225 | 0 |
| united states | illinois | streptococcus oralis subsp. dentisani | subspecies | 120 | 0 |
| united states | mississippi | streptococcus oralis | species | 102 | 0 |
| united states | new hampshire | streptococcus oralis | species | 144 | 0 |
| united states | new york | streptococcus oralis | species | 217 | 0 |
| united states | pennsylvania | streptococcus oralis | species | 1323 | 0 |
| united states | texas | streptococcus oralis | species | 356 | 0 |
| united states | virginia | streptococcus oralis | species | 19 | 0 |
| united states | washington | streptococcus oralis | species | 1898 | 0 |