title: John Danaher
text: # John Danaher
  
  John Danaher may refer to:
  
  * John Danaher (VC) (1860–1919), Irish recipient of the Victoria Cross
  * John A. Danaher (1899–1990), U.S. senator and judge from Connecticut
  * John A. Danaher III (born 1950), grandson of the above, commissioner of the Connecticut Department of Public Safety
  * John Danaher (martial artist) (born 1967), Brazilian jiu-jitsu and mixed martial arts instructor
  