Mercedita is a common forename derived from Mercedes. It may refer to:
- Mercedita Airport, a small commercial airport in Ponce, Puerto Rico.
- Hacienda Mercedita, a now defunct sugar mill and refinery plantation in Ponce, Puerto Rico, where Snow White sugar was once manufactured, packaged and distributed for wholesale and retail sale, founded by farmer and wealthy businessman Juan Serralles, and where the original Don Q rum was refined, processed, and bottled for his Destileria Serralles rum-producing business.
- Ma. Merceditas N. Gutierrez, current Philippine Ombudsman, responsible for investigating and prosecuting government officials in the Philippines who are allegedly guilty of crimes.
- Mercedita S. Nolledo, Director of the conglomerate Ayala Corporation in the Philippines.
- USS Mercedita, a wooden steamer that served in the United States Navy during the U.S. Civil War.