This is a list of diseases starting with the letter "K".

Ka

Kab–Kas

• Kabuki syndrome
• Kalam–Hafeez syndrome
• Kaler–Garrity–Stern syndrome
• Kallikrein hypertension
• Kallmann syndrome with Spastic paraplegia
• Kallmann syndrome with heart disease
• Kallmann syndrome, type 1, X linked
• Kallmann syndrome, type 3, recessive
• Kalyanraman syndrome
• Kantaputra–Gorlin syndrome
• Kaolin pneumoconiosis
• Kaplan–Plauchu–Fitch syndrome
• Kaplowitz–Bodurtha syndrome
• Kaposi sarcoma
• Kaposiform hemangioendothelioma
• Kapur–Toriello syndrome
• Karandikar–Maria–Kamble syndrome
• Karsch–Neugebauer syndrome
• Kartagener syndrome
• Kashani–Strom–Utley syndrome
• Kasznica–Carlson–Coppedge syndrome

Kat–Kaw

• Kathisophobia
• Katsantoni–Papadakou–Lagoyanni syndrome
• Katz syndrome
• Kaufman oculocerebrofacial syndrome
• Kawasaki syndrome

Ke

Kea–Ken

• Kearns–Sayre syndrome
• Keloids
• Kennedy disease
• Kennerknecht–Sorgo–Oberhoffer syndrome
• Kennerknecht–Vogel syndrome
• Kenny–Caffey syndrome
• Kenny–Caffey syndrome, type 1

Ker

Kera

• Keratitis, hereditary
• Keratoacanthoma familial
• Keratoacanthoma
• Keratoconjunctivitis sicca
• Keratoconus posticus circumscriptus
• Keratoconus
• Keratoderma hypotrichosis leukonychia
• Keratoderma palmoplantar deafness
• Keratoderma palmoplantar spastic paralysis
• Keratoderma palmoplantaris transgrediens
• Keratolytic winter erythema
• Keratomalacia
• Keratosis focal palmoplantar gingival
• Keratosis follicularis dwarfism cerebral atrophy
• Keratosis follicularis spinulosa decalvans
• Keratosis palmoplantaris adenocarcinoma of the colon
• Keratosis palmoplantaris esophageal colon cancer
• Keratosis palmoplantaris papulosa
• Keratosis palmoplantaris with corneal dystrophy
• Keratosis palmoplantar-periodontopathy
• Keratosis pilaris
• Keratosis, seborrheic

Keri–Kern

• Kerion celsi
• Kernicterus

Keu

• Keutel syndrome

Ki–Kn

• Ki-1cell lymphoma
• KID syndrome
• Kifafa seizure disorder
• Kikuchi disease
• Kimura disease
• King–Denborough syndrome
• Kjer's optic neuropathy
• Kleeblattschaedel syndrome
• Kleine–Levin syndrome
• Kleiner–Holmes syndrome
• Klinefelter's Syndrome
• Klippel–Feil syndrome
  • Klippel–Feil deformity conductive deafness absent vagina
  • Klippel–Feil syndrome dominant type
  • Klippel–Feil syndrome recessive type
• Klippel–Trénaunay–Weber syndrome
• Klumpke paralysis
• Klüver–Bucy syndrome
• Kniest dysplasia
• Kniest-like dysplasia lethal
• Knobloch–Layer syndrome
• Knuckle pads, leuconychia and sensorineural deafness

Ko

• Kobberling–Dunnigan syndrome
• Kocher–Debré–Semelaigne syndrome
• Kohler disease
• Kohlschütter-Tönz syndrome
• Koilonychia
• Konigsmark–Knox–Hussels syndrome
• Koone–Rizzo–Elias syndrome
• Korsakoff's syndrome
• Korula–Wilson–Salomonson syndrome
• Kostmann syndrome
• Kosztolanyi syndrome
• Kotzot–Richter syndrome
• Kounis syndrome
• Kousseff–Nichols syndrome
• Kousseff syndrome
• Kowarski syndrome
• Kozlowski–Brown–Hardwick syndrome
• Kozlowski–Celermajer syndrome
• Kozlowski–Massen syndrome
• Kozlowski–Ouvrier syndrome
• Kozlowski–Rafinski–Klicharska syndrome
• Kozlowski–Tsuruta–Taki syndrome
• Kozlowski–Warren–Fisher syndrome
• Kozlowski–Krajewska syndrome

Kr–Ky

• Krabbe leukodystrophy
• Krasnow–Qazi syndrome
• Krause–Kivlin syndrome
• Krauss–Herman–Holmes syndrome
• Krieble–Bixler syndrome
• Kumar–Levick syndrome
• Kurczynski–Casperson syndrome
• Kuru
• Kuskokwim disease
• Kuster–Majewski–Hammerstein syndrome
• Kuster syndrome
• Kuzniecky syndrome
• Kwashiorkor
• Kyasanur forest disease
• Kyphosis
• Kyphosis brachyphalangy optic atrophy