ELCA may refer to: Historic trail El Camino Real de Tierra Adentro Religious organizations Evangelical Lutheran Church in America, largest Lutheran body in the United States Evangelical Lutheran Church of Australia, a predecessor to the Lutheran Church of Australia Evangelical Lutheran Church (United States) (1917-1960) (then sometimes called ELCA, formerly the Norwegian Lutheran Church of America) Eielsen Synod, the former Evangelical Lutheran Church in America Medical procedure Excimer Laser Coronary Angioplasty Other Enforcement of Limitations on Community Activities