![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up fatness in Wiktionary, the free dictionary.
Fatness may refer to:
- Obesity, a medical condition where excess body fat has accumulated to the extent that it may have a negative impact on health
- The property of a fat object, in geometry, referring to an object in two or more dimensions whose lengths in the different dimensions are similar