Daniel Clark may refer to:

• Daniel Clark (actor) (born 1985), American actor
• Daniel Clark (basketball) (born 1988), British basketball player
• Daniel Clark (Connecticut colonial leader) (1622–1710)
• Daniel Clark (New Hampshire politician) (1809–1891), U.S. senator
• Daniel Clark (Louisiana politician) (c. 1766–1813), first Delegate from Orleans Territory to the United States House of Representatives
• Daniel F. Clark (1954–2014), Pennsylvania politician
• Daniel Kinnear Clark (1822–1896), British railway engineer
• Daniel B. Clark (1890–1961), American cinematographer