Jega may refer to:

• Jega (musician), Manchester, UK-based electronic music artist Dylan Nathan
• Jega, Nigeria, a Local Government Area in Kebbi State
• Japanese Enhanced Graphics Adapter, an enhanced EGA display adapter for Japanese AX architecture computers
• Attahiru Jega, 4th Chairman of the Independent National Electoral Commission of Nigeria, serving from 2010 to 2015
• Jega 'Rdomnai, an alien assassin and major antagonist in the video game Halo Infinite.
• Jaega, a former Native American people in Florida

• Gega (disambiguation)