A reformer is someone who works for reform.

Reformer may also refer to:

Entertainment and media

  • Rutherglen Reformer, a Scottish newspaper first published in 1875
  • The Reformer, a short-lived American newspaper published in 1837
  • The Reformers (film), 1916

Religion and philosophy

  • Reform movement, a general term for a social or political movement to bring change
  • Protestant Reformers, theologians in 16th century Europe

Science and technology

  • Catalytic reformer, in an oil refinery
  • Hydrogen reformer, extracting hydrogen
  • Methane reformer, producing hydrogen
  • Methanol reformer, producing hydrogen from methanol
  • Reformer, a personality type in the Enneagram of Personality
  • Steam reformer

Other uses

  • Pilates reformer, an exercise machine
  • Reformers Bookshop, Australia