Sasa may refer to:
- Sasa (dance), a Samoan dance
- Saša, a given name
- Sasa (genus), a genus of bamboo
- Sasa, Israel, a kibbutz in Galilee, Israel
- Sa'sa', a Palestinian village, depopulated during the 1948 Arab-Israeli war
- Sasa, Republic of Macedonia, a village in the municipality of Makedonska Kamenica, Republic of Macedonia
- Genjū Sasa, a Japanese film director and critic
- Sasa Handa, a Japanese AV actress
- Sa'sa'a bin Sohan, a companion of Imam Ali revered by Shia Muslims
- Solvent-accessible surface area, Solvent accessible surface area of a biomolecule