Esta é uma lista de bactérias que são relevantes na prática da medicina.
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A Acetobacter aurantius Acinetobacter baumannii Actinomyces Israelii Agrobacterium radiobacter Agrobacterium tumefaciens Azotobacter vinelandii Anaplasma phagocytophilum
B thumb|200px|Bacillus anthracis, bactéria causadora do carbúnculo. 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 (agora conhecida como Prevotella melaninogenica) Bartonella Bartonella henselae Bartonella quintana Bordetella Bordetella bronchiseptica Bordetella pertussis Borrelia burgdorferiBrucellaBrucella abortusBrucella melitensisBrucella suis Burkholderia Burkholderia mallei Burkholderia pseudomallei Burkholderia cepacia
C thumb|200px|Chlamydia trachomatis, bactéria envolvida em diversas doenças como tracoma, linfogranuloma venéreo e clamídia. Calymmatobacterium granulomatis Campylobacter Campylobacter coli Campylobacter fetus Campylobacter jejuni Campylobacter pylori Chlamydia Chlamydia trachomatis Chlamydophila Chlamydophila pneumoniae (antes chamada de Chlamydia pneumoniae) Chlamydophila psittaci (antes chamada de Chlamydia psittaci) Clostridium Clostridium botulinum Clostridium difficile Clostridium perfringens (antes chamada de 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 casei Lactococcus lactis Legionella pneumophila Leptospira Listeria monocytogenes
M Microtubulos 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 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 Smreptococcus 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
* Bacterias de importância médica