Aeromonas infection
African tick bite fever
American tick bite fever (Rickettsia parkeri infection)
Arcanobacterium haemolyticum infection
Bacillary angiomatosis
Bejel (endemic syphilis)
Blastomycosis-like pyoderma (pyoderma vegetans)
Blistering distal dactylitis
Botryomycosis
Brill–Zinsser disease
Brucellosis (Bangs disease, Malta fever, undulant fever)
Bubonic plague
Bullous impetigo
Cat scratch disease (cat scratch fever, English–Wear infection, inoculation lymphoreticulosis, subacute regional lymphadenitis)
Cellulitis 
Chancre
Chancroid (soft chancre, ulcus molle)
Chlamydial infection
Chronic lymphangitis
Chronic recurrent erysipelas
Chronic undermining burrowing ulcers (Meleney gangrene)
Chromobacteriosis infection
Condylomata lata
Cutaneous actinomycosis
Cutaneous anthrax infection
Cutaneous C. diphtheriae infection (Barcoo rot, diphtheric desert sore, septic sore, Veldt sore)
Cutaneous group B streptococcal infection
Cutaneous Pasteurella hemolytica infection
Cutaneous Streptococcus iniae infection
Dermatitis gangrenosa (gangrene of the skin)
Ecthyma
Ecthyma gangrenosum
Ehrlichiosis ewingii infection
Elephantiasis nostras
Endemic typhus (murine typhus)
Epidemic typhus (epidemic louse-borne typhus)
Erysipelas (ignis sacer, Saint Anthonys fire)
Erysipeloid of Rosenbach
Erythema marginatum
Erythrasma
External otitis (otitis externa, swimmers ear) 
Felon
Flea-borne spotted fever
Flinders Island spotted fever
Flying squirrel typhus
Folliculitis
Fournier gangrene (Fournier gangrene of the penis or scrotum)
Furunculosis (boil)
Gas gangrene (clostridial myonecrosis, myonecrosis)
Glanders (equinia, farcy, malleus)
Gonococcemia (arthritis–dermatosis syndrome, disseminated gonococcal infection)
Gonorrhea (clap)
Gram-negative folliculitis
Gram-negative toe web infection
Granuloma inguinale (Donovanosis, granuloma genitoinguinale, granuloma inguinale tropicum, granuloma venereum, granuloma venereum genitoinguinale, lupoid form of groin ulceration, serpiginous ulceration of the groin, ulcerating granuloma of the pudendum, ulcerating sclerosing granuloma)
Green nail syndrome
Group JK Corynebacterium sepsis
Haemophilus influenzae cellulitis
Helicobacter cellulitis
Hospital furunculosis
Hot tub folliculitis (Pseudomonas aeruginosa folliculitis)
Human granulocytotropic anaplasmosis
Human monocytotropic ehrlichiosis
Impetigo contagiosa
Japanese spotted fever
Leptospirosis (Fort Bragg fever, pretibial fever, Weils disease)
Listeriosis
Ludwigs angina
Lupoid sycosis
Lyme disease (Afzelius disease, Lyme borreliosis)
Lymphogranuloma venereum (climatic bubo, Durand–Nicolas–Favre disease, lymphogranuloma inguinale, poradenitis inguinale, strumous bubo)
Malakoplakia (malacoplakia)
Mediterranean spotted fever (Boutonneuse fever)
Melioidosis (Whitmores disease)
Meningococcemia
Missouri Lyme disease
Mycoplasma infection
Necrotizing fasciitis (flesh-eating bacteria syndrome)
Neonatal toxic shock-like exanthematous disease
Nocardiosis
Noma neonatorum
North Asian tick typhus
Ophthalmia neonatorum 
Oroya fever (Carrions disease)
Pasteurellosis
Perianal cellulitis (perineal dermatitis, streptococcal perianal disease)
Periapical abscess
Pinta
Pitted keratolysis (keratolysis plantare sulcatum, keratoma plantare sulcatum, ringed keratolysis)
Plague
Primary gonococcal dermatitis
Pseudomonal pyoderma
Pseudomonas hot-foot syndrome
Pyogenic paronychia
Pyomyositis
Q fever
Queensland tick typhus
Rat-bite fever
Recurrent toxin-mediated perineal erythema
Rhinoscleroma
Rickettsia aeschlimannii infection
Rickettsialpox
Rocky Mountain spotted fever
Saber shin (anterior tibial bowing)
Saddle nose
Salmonellosis
Scarlet fever
Scrub typhus (Tsutsugamushi fever)
Shigellosis
Staphylococcal scalded skin syndrome (pemphigus neonatorum, Ritters disease)
Streptococcal intertrigo
Superficial pustular folliculitis (impetigo of Bockhart, superficial folliculitis)
Sycosis vulgaris (barbers itch, sycosis barbae)
Syphilid
Syphilis (lues)
Tick-borne lymphadenopathy
Toxic shock syndrome (streptococcal toxic shock syndrome, streptococcal toxic shock-like syndrome, toxic streptococcal syndrome)
Trench fever (five-day fever, quintan fever, urban trench fever)
Tropical ulcer (Aden ulcer, jungle rot, Malabar ulcer, tropical phagedena)
Tularemia (deer fly fever, Oharas disease, Pahvant Valley plague, rabbit fever)
Verruga peruana
Vibrio vulnificus infection
Yaws (bouba, frambösie, parangi, pian)

Mycobacterium-related
Mycobacterium-related cutaneous conditions are caused by Mycobacterium infections.
Acral lentiginous melanoma 
Amelanotic melanoma
Animal-type melanoma
Desmoplastic melanoma (neurotropic melanoma, spindled melanoma)
Lentigo maligna (lentiginous melanoma on sun-damaged skin)
Lentigo maligna melanoma
Melanoma with features of a Spitz nevus (Spitzoid melanoma)
Melanoma with small nevus-like cells (small cell melanoma)
Mucosal melanoma
Nevoid melanoma
Nodular melanoma
Polypoid melanoma
Seborrheic keratosis-like melanoma
Soft-tissue melanoma (clear-cell sarcoma, melanoma of the soft parts)
Superficial spreading melanoma (superficially spreading melanoma)
Uveal melanoma

Monocyte- and macrophage-related
Monocyte- and macrophage-related cutaneous conditions are characterized histologically by infiltration of the skin by monocyte or macrophage cells, often divided into several categories, including granulomatous disease, histiocytoses, and sarcoidosis. Actinic granuloma (OBrien granuloma)
Annular elastolytic giant cell granuloma (giant cell elastophagocytosis, Meischers granuloma, Mieschers granuloma of the face)
Annular sarcoidosis 
Benign cephalic histiocytosis (histiocytosis with intracytoplasmic worm-like bodies)
Congenital self-healing reticulohistiocytosis (Hashimoto–Pritzker disease, Hashimoto–Pritzker syndrome)
Erythrodermic sarcoidosis
Generalized eruptive histiocytoma (eruptive histiocytoma, generalized eruptive histiocytosis)
Generalized granuloma annulare
Giant cell reticulohistiocytoma (solitary reticulohistiocytoma, solitary reticulohistiocytosis)
Granuloma annulare in HIV disease
Granuloma multiforme (Mkar disease, granuloma multiforme (Leiker))
Hand–Schüller–Christian disease
Heerfordts syndrome
Hereditary progressive mucinous histiocytosis
Hypopigmented sarcoidosis
Ichthyosiform sarcoidosis
Indeterminate cell histiocytosis
Interstitial granulomatous drug reaction
Langerhans cell histiocytosis (histiocytosis X)
Letterer–Siwe disease
Localized granuloma annulare
Löfgren syndrome
Lupus pernio
Morpheaform sarcoidosis
Mucosal sarcoidosis
Multicentric reticulohistiocytosis
Necrobiotic xanthogranuloma (necrobiotic xanthogranuloma with paraproteinemia)
Non-X histiocytosis
Papular sarcoid
Papular xanthoma
Patch-type granuloma annulare (macular granuloma annulare)
Perforating granuloma annulare 
Progressive nodular histiocytosis
Reticulohistiocytoma
Scar sarcoid (sarcoidosis in scars)
Sea-blue histiocytosis
Subcutaneous granuloma annulare (deep granuloma annulare, pseudorheumatoid nodule)
Subcutaneous sarcoidosis (Darier–Roussy disease, Darier–Roussy sarcoid)
Systemic sarcoidosis
Ulcerative sarcoidosis
Xanthoma disseminatum (disseminated xanthosiderohistiocytosis, Montgomery syndrome)

Mucinoses
Mucinoses are a group of conditions caused by dermal fibroblasts producing abnormally large amounts of mucopolysaccharides.