Surname Furnace (Furnace 
) , around the world, is a rare family name. The family name Furnace is characteristic of the United States, where it is a very rare surname, Australia, and the United Kingdom. Much less frequently, Furnace is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Furnace | Canada, United Kingdom, United States, India, Australia |
| walter furnace An American politician and businessman, US (b. 1943) |
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| sam furnace American musician, US (b. 1954) |
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