Geba may mean:

• Geba River, a river in Guinea, Senegal, and Guinea-Bissau
• Geba, Guinea-Bissau, a village on the above river in Guinea-Bissau
• Geba River (Ethiopia), a tributary of the Tekezé River
• Geba (city), a city in ancient Israel
• Geva Carmel, modern moshav in Israel, ancient Geba
• Geba, Republic of Dagestan, a rural locality in Dagestan, Russia
• Geba Station, a railway station in Tagajō, Miyagi Prefecture, Japan
• Geba syllabary, the system for writing the Naxi language
• Genomic Encyclopedia of Bacteria and Archaea, a project to sequence bacterial genomes and to establish their phylogenetic relationships
• Gimnasia y Esgrima de Buenos Aires (GEBA), a sports club in Buenos Aires, Argentina