8-bit (also spelled as 8-Bit, 8 bit or 8bit) may refer to:
* 8-bit, a historical computer architecture;
o 8-bit game consoles, see History of video game consoles (third generation).
* Octet (computing), a corresponding unit of information, colloquially referred as a byte.
* 8-bit color.
* 8-bit sound;
o 8-bit (music), a style that imitate 8-bit sound.
o 8-Bit, a song by Deadmau5 from his album Get Scraped.
o 8-bit, a group of comedic rappers that use the 8-bit style.
* 8-bit clean, a term in digital communication;
o 8bit, one of MIME encodings – see MIME#Content-Transfer-Encoding;
o 8BITMIME, an option of ESTMP protocol.
An 8bit color picture.