This is a list of bacteria that are significant in medicine. For a list of clinically important viruses, see the table of viral diseases.
A
- Acinetobacter baumannii
- Actinomyces israelii
- Agrobacterium radiobacter
- Agrobacterium tumefaciens
- Anaplasma
- Anaplasma phagocytophilum
- Azorhizobium caulinodans
- Azotobacter vinelandii
B
- Bacillus
- Bacillus anthracis
- Bacillus brevis
- Bacillus cereus
- Bacillus fusiformis
- Bacillus licheniformis
- Bacillus megaterium
- Bacillus mycoides
- Bacillus stearothermophilus
- Bacillus subtilis
- Bacillus thuringiensis
- Bacteroides
- Bacteroides fragilis
- Bacteroides gingivalis
- Bartonella
- Bartonella henselae
- Bartonella quintana
- Bordetella
- Bordetella bronchiseptica
- Bordetella parapertussis
- Bordetella pertussis
- Borrelia burgdorferi
- Brucella
- Brucella abortus
- Brucella melitensis
- Brucella suis
- Burkholderia
- Burkholderia mallei
- Burkholderia pseudomallei
- Burkholderia cepacia
C
- Calymmatobacterium granulomatis
- Campylobacter
- Campylobacter coli
- Campylobacter fetus
- Campylobacter jejuni
- Capnocytophaga canimorsus
- Cardiobacterium hominis
- Chlamydia
- Chlamydia trachomatis
- Chlamydophila
- Chlamydophila pneumoniae (formerly Chlamydia pneumoniae)
- Chlamydophila psittaci (formerly Chlamydia psittaci)
- Citrobacter
- Citrobacter freundii
- Citrobacter koseri
- Clostridioides difficile (also known as C. diff)
- Clostridium
- Clostridium botulinum
- Clostridium perfringens (formerly Clostridium welchii)
- Clostridium septicum
- Clostridium tetani
- Corynebacterium
- Corynebacterium diphtheriae (formerly Mycobacterium diphtheriae)
- Coxiella burnetii
- Cutibacterium acnes (formerly Propionibacterium acnes)
E
- Ehrlichia chaffeensis
- Ehrlichia ewingii
- Eikenella corrodens
- Enterobacter aerogenes
- Enterobacter cloacae
- Enterococcus
- Enterococcus avium
- Enterococcus casseliflavus
- Enterococcus durans
- Enterococcus faecalis
- Enterococcus faecium
- Enterococcus gallinarum
- Enterococcus malodoratus
- Escherichia coli O157:H7
F
- Francisella tularensis (formerly Pasteurella tularensis)
- Fusobacterium necrophorum
- Fusobacterium nucleatum (formerly Corynebacterium fusiforme)
- Frateuria aurantia (formerly Acetobacter aurantius)
G
- Gardnerella vaginalis
H
- Haemophilus
- Haemophilus ducreyi
- Haemophilus influenzae
- Haemophilus parainfluenzae
- Haemophilus pertussis
- Haemophilus vaginalis
- Helicobacter pylori
K
- Kingella kingae
- Klebsiella
- Klebsiella granulomatis
- Klebsiella pneumoniae
L
- Lactobacillus
- Lactobacillus acidophilus
- Lactobacillus bulgaricus
- Lactobacillus casei
- Lactococcus lactis
- Legionella pneumophila
- Leptospira interrogans
- Leptospira noguchii
- Listeria monocytogenes
M
- Methanobacterium extroquens
- Micrococcus luteus
- Moraxella catarrhalis
- Morganella morganii
- Mycobacterium
- Mycobacterium avium
- Mycobacterium bovis
- Mycobacterium intracellulare
- Mycobacterium leprae
- Mycobacterium lepraemurium
- Mycobacterium phlei
- Mycobacterium smegmatis
- Mycobacterium tuberculosis
- Mycoplasma
- Mycoplasma fermentans
- Mycoplasma genitalium
- Mycoplasma hominis
- Mycoplasma penetrans
- Mycoplasma pneumoniae
N
- Neisseria
- Neisseria gonorrhoeae
- Neisseria meningitidis
- Nocardia
- Nocardia asteroides
- Nocardia brasiliensis
- Nocardia cyriacigeorgica
- Nocardia farcinica
P
- Pasteurella multocida
- Peptostreptococcus
- Porphyromonas gingivalis
- Prevotella melaninogenica (formerly Bacteroides melaninogenicus)
- Proteus
- Proteus mirabilis
- Proteus penneri
- Proteus vulgaris
- Pseudomonas aeruginosa
R
- Rhizobium radiobacter
- Rickettsia
- Rickettsia prowazekii
- Rickettsia psittaci
- Rickettsia quintana
- Rickettsia rickettsii
- Rickettsia trachomae
- Rochalimaea
- Rochalimaea henselae
- Rochalimaea quintana
- Rothia dentocariosa
S
- Salmonella
- Salmonella enteritidis
- Salmonella typhi
- Salmonella typhimurium
- Serratia marcescens
- Shigella dysenteriae
- Shigella sonnei
- Spirillum volutans
- Staphylococcus
- Staphylococcus aureus (specifically Methicillin-resistant Staphylococcus aureus)
- Staphylococcus epidermidis
- Stenotrophomonas maltophilia
- Streptococcus
- Streptococcus agalactiae
- Streptococcus anginosus
- Streptococcus avium
- Streptococcus bovis
- Streptococcus constellatus
- Streptococcus cricetus
- Streptococcus ferus
- Streptococcus intermedius
- Streptococcus lactis
- Streptococcus mitior
- Streptococcus mitis
- Streptococcus mutans
- Streptococcus oralis
- Streptococcus pneumoniae
- Streptococcus pyogenes
- Streptococcus rattus
- Streptococcus salivarius
- Streptococcus sanguis
- Streptococcus sobrinus
- Streptomyces avermitilis
U
- Ureaplasma urealyticum
V
- Vibrio
- Vibrio cholerae
- Vibrio parahaemolyticus
- Vibrio vulnificus
- Viridans streptococci<!-- no italics -->
W
- Wolbachia
Y
- Yersinia
- Yersinia enterocolitica
- Yersinia pestis
- Yersinia pseudotuberculosis
See also
- List of bacterial orders
- List of bacteria genera
- List of human diseases associated with infectious pathogens