John Keith may refer to:

• John Keith, 1st Earl of Kintore (died 1714), Scottish nobleman
• John Keith (defensive back) (born 1977), player in the National Football League
• John Keith (linebacker) (born 1986), American football player
• John A. H. Keith (1869–1931), American educator, college football and basketball coach
• John M. Keith, mayor of Missoula, Montana

• Deacon Donahue
• Deacon Edward Putnam Jr. House
• Deaconess Gateway and Women's Hospital
• Deaconess Gateway Hospital
• Deaconess Hospital (Evansville, Indiana)
• Deaconess Hospital (Oklahoma City, Oklahoma)
• Deacon Hill SSSI
• Deacon Hutchins House
• Deacon, Indiana
• Deacon John
• Deacon John Buffington House
• Deacon John Davenport House
• Deacon John Grave House
• Deacon John Moore House
• Deacon John Symmes House
• Deacon John’s Tribute to New Orleans R&B
• Deacon Jones (baseball)
• Deacon Jones (disambiguation)
• Deacon Jones (infielder)
• Deacon Jones (musician)
• Deacon Jones (pitcher)
• Deacon Manu
• Deacon of Death
• Deacon of death
• Deacon, Ontario