Dan or Danny Johnson may refer to:

Politics

• Dan Johnson (Kansas politician) (1936–2014), Republican member of the Kansas House of Representatives
• Dan Johnson (Kentucky politician) (1960–2017), American religious leader and politician
• Dan G. Johnson, Republican former Idaho State Senator
• Dan Johnson, Louisville Metro Councilmember from 2003–2016

Sports

• Dan Johnson (American football) (born 1960), American football tight end
• Dan Johnson (baseball) (born 1979), baseball player
• Danny Johnson (footballer) (born 1993), English footballer for Mansfield Town F.C.
• Danny Johnson (ice hockey) (1944–1993), Canadian ice hockey player
• Danny Johnson (American football) (born 1995), American football cornerback
• Danny Johnson (racing driver) (born, 1960), four time Mr. Dirt Champion

Other

• Dan Johnson (economist) (born 1969), Canadian economist
• Dan Johnson (journalist) (born c. 1984), English journalist and presenter
• Dan Johnson (musician), American rock drummer
• D. E. Johnson or Dan E. Johnson, American author
• Dan Curtis Johnson, American programmer and comic book writer