- Friday is a novel by Robert A. Heinlein.
- Friday is a film trilogy featuring Ice Cube.
- "Friday" is a song, originally by Rebecca Black, but after its music video went viral on YouTube, it has been covered by numerous amateurs and entertainers alike.
- Friday is the fifth day of the week, or sixth, depending on where you live. See the Rebecca Black song if you want to know what comes before or afterwards.