SEIU Local 660

{{Infobox union

|name = SEIU Local 660

|location_country= United States

|affiliation =

|members = 50,000

|full_name = Service Employees International Union Local 660

|native_name =

|image = 220px

|founded =

|parent_organization= SEIU

|dissolved =

|merged =

|headquarters = Los Angeles, California

|key_people = Alejandro Stephens, president

|website = [http://www.seiu660.org/ www.seiu660.org]

|footnotes =

}}

The SEIU Local 660 was a local union of the Service Employees International Union in the United States. It represented 50,000 Los Angeles County employees. The Union was investigated by the FBI for alleged embezzlement, specifically the former leader Alejandro Stephens.{{Cite web |date=2010-09-28 |title=Former L.A. labor leader investigated |url=https://www.latimes.com/archives/la-xpm-2010-sep-28-la-me-seiu-investigation-20100928-story.html |access-date=2024-04-09 |website=Los Angeles Times |language=en-US}} It later merged with SEIU Local 721."SEIU Local 721 Supervising Health Science Professional Employees Representation Unit 342 County of Los Angeles Memorandum of Understanding" (PDF). SEIU 721. Archived (PDF) from the original on 9 April 2024. Retrieved 9 April 2024.