Jencks

Jencks could refer to:


 * Jencks v. United States, a U.S. Supreme Court case
 * Jencks Act, a law passed by the U.S. Congress regarding the rules of procedure in Federal courts, after the Supreme Court case had been decided

People with the surname Jencks

 * Bob Jencks (1941–2010), American football player
 * Charles Jencks (1939–2019) American cultural theorist, landscape designer, architectural historian, cancer center founder.
 * Christopher Jencks (born 1922), social scientist
 * Clinton Jencks (1918–2005), American labor and social justice activist
 * Maggie Keswick Jencks (1941–1995), Scottish writer, artist and garden designer
 * Penelope Jencks (born 1936), American sculptor
 * Richard Jencks (1921–2014), American television executive and lawyer
 * William Jencks (1927–2007), American biochemist.