List of clinically important bacteria

This is a list of bacteria that are significant in medicine. It is not intended as an exhaustive list of all bacterial species: that should be at List of bacteria. For viruses, see list of viruses.

A

 * Acetobacter aurantius
 * 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
 * Bacteroides
 * Bacteroides fragilis
 * Bacteroides gingivalis
 * Bacteroides melaninogenicus (now known as Prevotella melaninogenica)
 * Bartonella
 * Bartonella henselae
 * Bartonella quintana


 * Bordetella
 * Bordetella bronchiseptica
 * 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
 * Campylobacter pylori
 * Chlamydia
 * Chlamydia trachomatis
 * Chlamydophila
 * Chlamydophila pneumoniae (previously called Chlamydia pneumoniae)
 * Chlamydophila psittaci (previously called Chlamydia psittaci)
 * Clostridium
 * Clostridium botulinum
 * Clostridium difficile
 * Clostridium perfringens (previously called Clostridium welchii)
 * Clostridium tetani
 * Corynebacterium
 * Corynebacterium diphtheriae
 * Corynebacterium fusiforme
 * Coxiella burnetii

E

 * Ehrlichia chaffeensis
 * Enterobacter cloacae
 * Enterococcus
 * Enterococcus avium
 * Enterococcus durans
 * Enterococcus faecalis
 * Enterococcus faecium
 * Enterococcus galllinarum
 * Enterococcus maloratus
 * Escherichia coli

F

 * Francisella tularensis
 * Fusobacterium nucleatum

G

 * Gardnerella vaginalis

H

 * Haemophilus
 * Haemophilus ducreyi
 * Haemophilus influenzae
 * Haemophilus parainfluenzae
 * Haemophilus pertussis
 * Haemophilus vaginalis
 * Helicobacter pylori

K

 * Klebsiella pneumoniae

L

 * Lactobacillus
 * Lactobacillus acidophilus
 * Lactobacillus bulgaricus
 * Lactobacillus casei
 * Lactococcus lactis
 * Legionella pneumophila
 * Listeria monocytogenes

M

 * Methanobacterium extroquens
 * Microbacterium multiforme
 * Micrococcus luteus
 * Moraxella catarrhalis
 * Mycobacterium
 * Mycobacterium avium
 * Mycobacterium bovis
 * Mycobacterium diphtheriae
 * 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

P

 * Pasteurella
 * Pasteurella multocida
 * Pasteurella tularensis
 * Peptostreptococcus
 * Porphyromonas gingivalis
 * Prevotella melaninogenica (previously called Bacteroides melaninogenicus)
 * 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
 * Staphylococcus
 * Staphylococcus aureus
 * Staphylococcus epidermidis
 * Stenotrophomonas maltophilia
 * Streptococcus
 * Streptococcus agalactiae
 * Streptococcus avium
 * Streptococcus bovis
 * Streptococcus cricetus
 * Streptococcus faceium
 * Streptococcus faecalis
 * Streptococcus ferus
 * Streptococcus gallinarum
 * Streptococcus lactis
 * Streptococcus mitior
 * Streptococcus mitis
 * Streptococcus mutans
 * Streptococcus oralis
 * Streptococcus pneumoniae
 * Streptococcus pyogenes
 * Streptococcus rattus
 * Streptococcus salivarius
 * Streptococcus sanguis
 * Streptococcus sobrinus

T

 * Treponema
 * Treponema pallidum
 * Treponema denticola

V

 * Vibrio
 * Vibrio cholerae
 * Vibrio comma
 * Vibrio parahaemolyticus
 * Vibrio vulnificus

W

 * Wolbachia

Y

 * Yersinia
 * Yersinia enterocolitica
 * Yersinia pestis
 * Yersinia pseudotuberculosis