| materials by function |
| materials by granularity |
| materials by origin |
| materials by physical form |
| metal by composition or origin |
| metal by form |
| metamorphic rock |
| meteorites |
| money (objects) |
| money by form |
| nylon/nailón |
| natural bituminous material |
| natural fiber |
| natural landscapes |
| nonferrous metal |
| oil paint (paint)/Ölfarbe |
| organic material |
| paint (coating) |
| paint by composition or origin |
| paja toqilla (Carludovica palmata) |
| paper by function |
| pastel (material) |
| pepo |
| pile weave |