Ironwood is a common name for a large number of woods that have a reputation for hardness. Usage of the name may (or may not) include the tree that yields this wood. There is a list of some of the species involved at the article.
Ironwood may also refer to:
Places Ironwood, Michigan, a city in the Upper Peninsula of the U.S. state of Michigan Ironwood Township, Michigan, north of the city Ironwood High School in Glendale, Arizona Ironwood Ridge High School in Tucson, Arizona Ironwood Springs Christian Ranch, a Christian camp in Minnesota Ironwood State Prison
Mythology and folklore Ironwood (Norse mythology), a forest in Norse mythology
Other Ironwood (comics), a 1990s erotic comic series by Bill Willingham Ironwood Pharmaceuticals, a drug manufacturer Catherine Yronwode, comic-book editor whose name is pronounced "Ironwood"
See also Ironbark, a common name of species that have dark, deeply furrowed bark Ironweed (disambiguation)