Emerita may refer to several different things:
- Emerita (genus), a genus of crustacean.
- Emerita or Emerita Augusta, an ancient city of Spain, now called Mérida.
- Saint Emerita, 3rd century martyr. See Digna and Emerita.
- Emerita is also the feminine form of the word "Emeritus", added to the title professor or bishop, to indicate they have retired.