List of Sega video game franchises

This is a list of video game franchises by Sega or a subsidiary of the company.

All series spanning multiple games are listed here.

Games that were developed and published by third parties but released on Sega consoles are not listed here.

Also included in the franchise list is Total War.

Sega is not the IP owner of all the franchises it has published, typically it is the case with the games it has made internally, but as examples ToeJam & Earl and Condemned: Criminal Origins are owned by its respective creators.