Hark is from a Middle English word "herken", meaning to listen carefully. It may refer to:

• Hark, Byzantine name for the Muş Province area of Turkey
• "The Hark" (Harkness Commons), a Gropius building on the Harvard Law School campus

• Hark (album), a 1985 album by clarinetist Buddy DeFranco, with the Oscar Peterson quartet
• Hark! Songs for Christmas - Vol. II, a 2006 album by Sufjan Stevens
• Hark! The Village Wait, a 1970 album by the folk rock band Steeleye Span
• Hark!, a 1992 album by Richard Stoltzman
• Hark! (The Doppelgangaz album), 2013
• Hark! (Andrew Bird album), a 2020 album by Andrew Bird

• "Hark! The Herald Angels Sing", Christmas carol by Charles Wesley
• "Hark The Sound", the alma mater song of the University of North Carolina
• "Hark", a song by Buddy DeFranco from the 1985 album Hark

• Hark Bohm (born 1939), German actor and screenwriter
• Hark Olufs (1708–1754), Frisian sailor
• Tsui Hark (born 1950), Hong Kong film director

• Lisa Hark, nutritionist and consultant for the BBC TV series, Honey, We're Killing the Kids
• Sabine Hark (born 1962), German sociologist

• Hark At Barker, a 1969 British sitcom starring Ronnie Barker
• HARKing, Hypothesizing After the Results are Known, an error in research design
• Hark, a 2019 novel by author Sam Lipsyte

• Harke & Burr, fictional comic book characters
• Harker (disambiguation)
• Harkes, a surname
• Harkness (disambiguation)