Entertainment

• Trainer (album)
  Trainer (album)
  Trainer is a two-disc compilation released in 2000 by Plaid. It includes the group's rare 1991 debut Mbuki Mvuki, as well as other hard-to-find or unreleased material...
  
  , an album released by Plaid in 2000
• Trainer (TV series)
  Trainer (TV series)
  Trainer is a British television series transmitted by the BBC between 1991 and 1992.Filmed in and around the village of Compton near Newbury, the series is set in the world of horse racing. It starred Mark Greenstreet as Mike Hardy, an aspiring horse trainer keen to set up his own stables...
  
  , a British TV series
• The Trainer
  The Trainer
  The Trainer is a play by David Wilson and Anne Aylor .-Description:The Trainer is a multi-media play set in a posh gym in the basement of a gentlemen’s club, punctuated with excerpts from the opera Manifest Destiny, news footage from Gaza and inane breakfast TV programmes...
  
  , a 2009 British play written by David Wilson and Anne Aylor

Equipment

• Bicycle trainer
  Bicycle trainer
  A trainer, or turbo trainer, is a piece of equipment that makes it possible to ride a bicycle while it remains stationary. They are commonly used to train for races, or when riding conditions outside are not favorable...
  
  , a device that attaches to a bicycle and makes it stationary for indoor training
• Trainer (aircraft)
  Trainer (aircraft)
  A trainer is a class of aircraft designed specifically to facilitate in-flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristics and a simplified cockpit arrangement—allows...
  
  , an aircraft used for training pilots
• Trainer, an athletic shoe
  Athletic shoe
  Athletic shoe is a generic name for the footwear primarily designed for sports or other forms of physical exercise but in recent years has come to be used for casual everyday activities....
  
  , in British English
• Trainers, games software for computer and video games that adds in extra options, usually to make the game easier

A place

• Trainer, Pennsylvania
  Trainer, Pennsylvania
  Trainer is a borough in Delaware County, Pennsylvania, United States. The population was 1,901 at the 2000 census. The borough was named after David Trainer, a local mill owner.-Geography:Trainer is located at ....
  
  , a borough in Pennsylvania, United States
• Treene
  Treene
  Treene was an Amt in the district of Nordfriesland, in Schleswig-Holstein, Germany. It was situated between Husum and the Eider River. Its seat was in Mildstedt. In January 2008, it was merged with the Ämter Friedrichstadt, Nordstrand and Hattstedt to form the Amt Nordsee-Treene.The Amt Treene...
  
  , the river and municipality in Schleswig-Holstein in Germany

A professional

• Animal training
  Animal training
  Animal training refers to teaching animals specific responses to specific conditions or stimuli. Training may be for the purpose of companionship, detection, protection, entertainment or all of the above....
  
  , a person who trains animals for obedience, tricks, and work
• Athletic trainer
  Athletic trainer
  An athletic trainer is a certified, health care professional who practices in the field of sports medicine. Athletic training has been recognized by the American Medical Association as an allied health care profession since 1990....
  
  , a person who provides medical assistance to athletes or other physically active individuals
• Horse trainer
  Horse trainer
  In horse racing, a trainer prepares a horse for races, with responsibility for exercising it, getting it race-ready and determining which races it should enter...
  
  , a person responsible for preparing a horse for horse racing
• Personal trainer
  Personal trainer
  A personal trainer is a fitness professional involved in exercise prescription and instruction. They motivate clients by setting goals and providing feedback and accountability to clients. Trainers also measure their client's strengths and weaknesses with fitness assessments...
  
  , a person who guides another person in developing physical fitness
• Trainer (business)
  Trainer (business)
  Trainers work in many different areas, mainly educating employees of companies on specific topics of workplace importance.Some trainers are in-house, and others work for training companies....
  
  , a person who educates employees of companies on specific topics of workplace importance