EMCA can refer to:
East Memorial Christian Academy, a former private K-12 Christian school in Autauga County, Alabama Eastern Manitoba Concert Association, an association in Pinawa, Canada, which hosts concerts in a Pinawa's community centre El Monte, California, a city in California and in the United States Emeralda Marsh Conservation Area, a U.S. conservation area Advanced emergency medical care assistant, a credential used for emergency medical technicians in Ontario, Canada Epithelial-myoepithelial carcinoma, a rare malignant tumour that typically arises in a salivary gland Ethnomethodology and conversation analysis, two fields of study sometimes considered as one field and referred to as EMCA Ethnomethodology and conversation analysis, an application area within social media, ubiquitous computing, and instant message based social commerce European Mosquito Control Association, an association for mosquito control European Multisport Club Association, a sports organization representing the interests of multisport clubs in Europe
See also ECMA (disambiguation) Emcas