• Almarian Decker
  Almarian Decker
  Almarian William Decker was an American pioneer of electrical engineering involved in the early development of three-phase electrical power. In 1892 he was hired by H. H...
  
  , an electrical engineer
• Brooklyn Decker
  Brooklyn Decker
  Brooklyn Danielle Decker is an American fashion model and actress best known for her appearances in the Sports Illustrated Swimsuit Issue, including the cover of the 2010 issue. In addition to working for Victoria's Secret for the 2010 "Swim" collection, she has ventured into television with guest...
  
  , a model
• Carol Decker, a recording artist
• Daniel Decker
  Daniel Decker
  Daniel Decker is a Puerto Rican - American composer, singer and recording artist known for his unique blending of musical influences from around the globe and infusing them into his own works....
  
  , a composer
• Ed Decker
  Ed Decker
  Ed Decker , also known as John Edward Decker, is an American counterculture apologist and evangelist known for his studies, books, and public presentations of the perceived negative aspects of The Church of Jesus Christ of Latter-day Saints and Freemasonry...
  
  , an evangelist
• Franz-Paul Decker
  Franz-Paul Decker
  Franz-Paul Decker is a German-born conductor.-Biography:Decker was born in Cologne, Germany, where he studied at the Hochschule für Musik with Philip Jarnach and Eugen Papst...
  
  , a conductor
• George Decker
  George Decker
  General George Henry Decker was Chief of Staff of the United States Army from 1960 to 1962. General Decker was born in Catskill, New York and attended Lafayette College in Easton, Pennsylvania, receiving an economics degree in 1924. He served in the U.S. Army from 1924 to 1962. He married the...
  
  , a Chief of Staff of the United States Army from 1960 to 1962
• Hans Decker
  Hans Decker
  Hans Decker was a German sculptor of the middle of the fifteenth century. His home was in Nuremberg, but otherwise very little is recorded concerning him....
  
  , a German sculptor of the fifteenth century
• Jennifer Decker
  Jennifer Decker
  Jennifer Decker is a French actress. She is best known for the role of Lucienne in the 2006 American film Flyboys.Jennifer began her theatrical career at an early age. At 18 she was spotted by director Irina Brook, who gave her the role of Juliet in a stage production of Shakespeare's Romeo and...
  
  , a french actress
• Johan Stephan Decker (1784–1844), a French painter
• John Decker
  John Decker
  John Decker was a painter, set designer and caricaturist in Hollywood during the 1930s and 1940s....
  
  , a painter, set designer and caricaturist
• Mary Decker
  Mary Decker
  Mary Slaney is an American former track athlete. During her career, she won gold medals in the 1500 meters and 3000 meters at the 1983 World Championships, and set 17 official and unofficial world records and 36 US national records.-Biography:Mary Decker was born in Bunnvale, Hunterdon County, New...
  
  , an athlete
• Mary Beth Decker
  Mary Beth Decker
  Mary Beth Decker is an American model who attended Texas A&M University. She was the "Cyber Girl of the Week" for Playboy in the fourth week of September 2002, and "Cyber Girl of the Month" for January 2003....
  
  , a model
• Matthew Decker
  Matthew Decker
  Sir Matthew Decker, 1st Baronet was an English merchant and writer on trade.He was born in Amsterdam, came to London in 1702 and established himself there as a merchant. He was remarkably successful in his business life, gaining great wealth and having many honors conferred upon him...
  
  , an economist
• Michael P. Decker
  Michael P. Decker
  Michael Paul Decker, Sr. is a former member of the North Carolina General Assembly representing the state's ninety-fourth House district, including constituents in Forsyth County...
  
  , a politician
• Paul Decker (1867-?), a botanist
• Richard Decker
  Richard Decker
  Richard Decker, a cartoonist and illustrator, studied at the Pennsylvania School of Industrial Art and became famous for his cartoons published in The New Yorker....
  
  , a cartoonist in The New Yorker
• Steve Decker
  Steve Decker
  Stephen Michael Decker , is a former Major League Baseball catcher who played from -, -, and . He is the current manager of the Fresno Grizzlies, the Triple-A affiliate of the San Francisco Giants....
  
  , a baseball player
• Susan Decker
  Susan Decker
  Susan Lynne Decker served as president of Yahoo! Inc in 2007 and 2008, leading the operations of the company during Jerry Yang's reign as CEO.-Early history and personal life:...
  
  , a corporate executive
• Wilhelm Decker, a Nazi publicist

Fictional people

• Matt Decker, a character in Star Trek
• Colonel Roderick Decker, the archenemy of The A-Team
  The A-Team
  The A-Team is an American action adventure television series about a fictional group of ex-United States Army Special Forces personnel who work as soldiers of fortune, while on the run from the Army after being branded as war criminals for a "crime they didn't commit". The A-Team was created by...
  
  
• Willard Decker, a character in Star Trek