Danaher is a surname. Notable people with the surname include:

• Declan Danaher (born 1980), English Rugby union player
• Jody Danaher, Irish rugby player
• John Danaher (martial artist) (born 1967), New Zealand Brazilian jiu-jitsu and mixed martial arts instructor
• John Danaher (VC) (1860–1919), Irish recipient of the Victoria Cross
• John A. Danaher (1899–1990), American politician and judge
• John A. Danaher III (born 1950), grandson of the above, commissioner of the Connecticut Department of Public Safety
• Kevin Danaher (Caoimhín Ó Danachair), (1913–2002), Irish author and folklorist
• Kevin Danaher (activist) (born 1950), American author and anti-globalization activist
• Phil Danaher (American football) (born 1948), American football coach
• Phil Danaher (rugby union) (born 1965), Irish rugby player
• Phyllis Danaher (1908–1991), Australian dancer, teacher of dance, and choreographer

• Danaher, Michigan, an unincorporated community within Columbus Township, Luce County, Michigan, U.S.
• Danaher Corporation, American global conglomerate founded in 1984
• Danaher Death Squad, an American submission grappling team
• Danaher Sheehan (born 1974), Irish rugby player

• All pages with titles containing Danaher