Polyfill may refer to:
- Polyester Fiberfill, also known as Poly-fil or polyfill, a synthetic fiber
- Polyfill, in web development, code that implements a feature on web browsers that do not support the feature
- in graphic programming, the use of flood fill for filling polygons
- Polyfilla, a DIY spackling paste product
| This disambiguation page lists articles associated with the title Polyfill.
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