| algeria | | lactococcus lactis subsp. lactis | subspecies | 467 | 0 |
| algeria | | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 96 | 0 |
| argentina | | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| argentina | | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 168 | 0 |
| argentina | chubut province | lactococcus lactis subsp. lactis | subspecies | 20 | 0 |
| australia | | lactococcus lactis subsp. lactis | subspecies | 16 | 0 |
| austria | | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| belgium | | lactococcus lactis subsp. lactis | subspecies | 224 | 0 |
| bosnia and herzegovina | | lactococcus lactis subsp. lactis | subspecies | 9 | 0 |
| brazil | | lactococcus lactis subsp. lactis | subspecies | 17 | 0 |
| brazil | | lactococcus lactis subsp. lactis ncdo 2118 | no rank | 4 | 0 |
| cameroon | | lactococcus lactis subsp. lactis | subspecies | 5 | 0 |
| chile | | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| china | | lactococcus lactis subsp. lactis | subspecies | 388 | 0 |
| china | anhui | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| china | beijing | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| china | inner mongolia | lactococcus lactis subsp. lactis | subspecies | 233 | 0 |
| china | jilin | lactococcus lactis subsp. lactis | subspecies | 8 | 0 |
| china | qinghai | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| china | sichuan | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| china | tianjin shi | lactococcus lactis subsp. lactis | subspecies | 10 | 0 |
| china | tianjin shi | lactococcus lactis subsp. lactis yf11 | no rank | 144 | 0 |
| china | tibet | lactococcus lactis subsp. lactis | subspecies | 5 | 0 |
| china | xinjiang | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| china | xinjiang | lactococcus lactis subsp. lactis klds 4.0325 | no rank | 8 | 0 |
| china | zhejiang | lactococcus lactis subsp. lactis | subspecies | 4 | 0 |
| colombia | | lactococcus lactis subsp. lactis | subspecies | 4 | 0 |
| czech republic | | lactococcus lactis subsp. lactis | subspecies | 5 | 0 |
| denmark | | lactococcus lactis subsp. lactis | subspecies | 179 | 0 |
| denmark | | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 18 | 0 |
| egypt | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| ethiopia | addis ababa | lactococcus lactis subsp. lactis | subspecies | 150 | 0 |
| finland | | lactococcus lactis subsp. lactis | subspecies | 20 | 0 |
| finland | uusimaa region | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| france | | lactococcus lactis subsp. lactis bv. diacetylactis str. ld61 | no rank | 266 | 0 |
| germany | | lactococcus lactis subsp. lactis | subspecies | 351 | 0 |
| germany | bavaria | lactococcus lactis subsp. lactis | subspecies | 10 | 0 |
| greece | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| india | | lactococcus lactis subsp. lactis | subspecies | 98 | 0 |
| india | gujarat | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| india | haryana | lactococcus lactis subsp. lactis | subspecies | 8 | 0 |
| india | manipur | lactococcus lactis subsp. lactis | subspecies | 6 | 0 |
| india | nagaland | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| india | punjab | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| india | tamil nadu | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| indonesia | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| iran | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| iran | golestan province | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| iraq | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| ireland | | lactococcus lactis subsp. lactis | subspecies | 356 | 0 |
| italy | | lactococcus lactis subsp. lactis | subspecies | 46 | 0 |
| italy | aosta valley autonomous region | lactococcus lactis subsp. lactis | subspecies | 0 | 1 |
| italy | sicily autonomous region | lactococcus lactis subsp. lactis | subspecies | 10 | 0 |
| japan | | lactococcus lactis subsp. lactis | subspecies | 21 | 0 |
| japan | chiba prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | ehime prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | hokkaido prefecture | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| japan | ibaraki prefecture | lactococcus lactis subsp. lactis | subspecies | 6 | 0 |
| japan | kagoshima prefecture | lactococcus lactis subsp. lactis | subspecies | 4 | 0 |
| japan | kanagawa prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | nagasaki prefecture | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| japan | okinawa prefecture | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| japan | shizuoka prefecture | lactococcus lactis subsp. lactis | subspecies | 7 | 0 |
| japan | tokyo prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | toyama prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | yamagata prefecture | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| japan | yamanashi prefecture | lactococcus lactis subsp. lactis | subspecies | 8 | 0 |
| malaysia | | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| malaysia | selangor | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| morocco | | lactococcus lactis subsp. lactis | subspecies | 29 | 0 |
| netherlands | | lactococcus lactis subsp. lactis | subspecies | 5914 | 0 |
| netherlands | | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 508 | 0 |
| netherlands | | lactococcus lactis subsp. lactis bv. diacetylactis str. tifn2 | no rank | 288 | 0 |
| netherlands | | lactococcus lactis subsp. lactis bv. diacetylactis str. tifn4 | no rank | 366 | 0 |
| new zealand | auckland | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| poland | greater poland province | lactococcus lactis subsp. lactis | subspecies | 12 | 0 |
| portugal | | lactococcus lactis subsp. lactis | subspecies | 6 | 0 |
| russia | | lactococcus lactis subsp. lactis | subspecies | 11 | 0 |
| russia | moscow city | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| serbia | | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 149 | 0 |
| serbia | central serbia | lactococcus lactis subsp. lactis bv. diacetylactis | no rank | 6 | 0 |
| south africa | | lactococcus lactis subsp. lactis | subspecies | 9 | 0 |
| south africa | gauteng province | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| south korea | | lactococcus lactis subsp. lactis | subspecies | 13 | 0 |
| south korea | daegu city | lactococcus lactis subsp. lactis | subspecies | 7 | 0 |
| south korea | north chungcheong province | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| spain | | lactococcus lactis subsp. lactis | subspecies | 11 | 0 |
| spain | | lactococcus lactis subsp. lactis 1aa59 | no rank | 438 | 0 |
| spain | asturias | lactococcus lactis subsp. lactis | subspecies | 9 | 0 |
| sudan | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| switzerland | | lactococcus lactis subsp. lactis | subspecies | 100 | 0 |
| taiwan | | lactococcus lactis subsp. lactis | subspecies | 17 | 0 |
| taiwan | taiwan municipality | lactococcus lactis subsp. lactis | subspecies | 3 | 0 |
| thailand | | lactococcus lactis subsp. lactis | subspecies | 5 | 0 |
| turkey | | lactococcus lactis subsp. lactis | subspecies | 4 | 0 |
| uganda | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |
| united states | | lactococcus lactis subsp. lactis | subspecies | 305 | 0 |
| united states | california | lactococcus lactis subsp. lactis | subspecies | 4 | 0 |
| united states | mississippi | lactococcus lactis subsp. lactis | subspecies | 2 | 0 |
| vietnam | | lactococcus lactis subsp. lactis | subspecies | 1 | 0 |