'Reformer' could refer to the following:
★ A reformer is a person who wishes to change a system to improve it (see
Reform movement).
★ A reformer is an influential person in the Protestant Reformation (see
Protestant Reformers).
★ A reformer is a personality type in Enneagram spiritual psychology - see
reformer (Enneagram)
★ A
catalytic reformer is a unit in an
oil refinery that reforms lighter hydrocarbons into higher octane molecules and hydrogen
★ A
hydrogen reformer is a device that extracts hydrogen from other fuels, typically methanol or gasoline
★ A
Pilates reformer is an exercise machine used in the fitness discipline Pilates
★ ''
The Reformers (film)'', a 1916 film starring
Oliver Hardy