A reformer is someone who works for reform.
Reformer may also refer to:
*Catalytic reformer, in an oil refinery
*Methane reformer, producing hydrogen
*Steam reforming, Steam reformer
*Hydrogen reformer, extracting hydrogen
*Methanol reformer, producing hydrogen from methanol
*Kim reformer, producing syngas
*Protestant Reformers
*Reformers Bookshop, Australia
*Reformer (Enneagram), a personality type
*Pilates reformer, an exercise machine
*The Reformers (film), ''The Reformers'' (film), 1916
*Reform movement
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