KIW
| Acronym | Definition |
|---|---|
| KIW | Kitagawa Iron Works (Japan) |
| KIW | Katahdin Iron Works (historic site; Maine) |
| KIW | Kompetenzzentrum Instandhaltung Weinheim (German professional training company) |
| KIW | Keenan Ivory Wayans (comedian) |
| KIW | Kootenay Innovative Wood (South Slocan, British Columbia, Canada) |