Energy and Chemical Workers Union

{{Short description|Canadian trade union}}

{{Use Canadian English|date=October 2023}}

{{Use dmy dates|date=October 2023}}

{{Infobox organization

| name = Energy and Chemical Workers Union

| native_name =

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| logo =

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| abbreviation = ECWU

| predecessor =

| merged = Communications, Energy and Paperworkers Union of Canada

| successor =

| formation = {{start date|1980}}

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| dissolved = {{end date|1992}}

| merger = {{ubl | Canadian district of the Oil, Chemical and Atomic Workers International Union | Canadian Chemical Workers Union | Various directly chartered local unions of the Fédération des travailleurs et travailleuses du Québec}}

| type = Trade union

| headquarters =

| location = Canada

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| membership = 35,000{{cite book |year=1986 |title=Directory of Labour Organizations in Canada, 1986 |url=https://archive.org/details/reportoflabour198687cana |publisher=Labour Canada |page=16}}{{cite book |year=1988 |title=Directory of Labour Organizations in Canada, 1988 |url=https://archive.org/details/reportoflabour198889cana/page/n6 |publisher=Labour Canada |page=18 |isbn=978-0-660-54244-7}}{{cite book |year=1989 |title=Directory of Labour Organizations in Canada, October 1989 |url=https://archive.org/details/reportoflabour198889cana/page/n278 |publisher=Labour Canada |page=xvii |isbn=978-0-662-55431-8}}{{cite book |year=1990 |title=Directory of Labour Organizations in Canada, 1990/91 |url=https://archive.org/details/reportoflabour199093cana/page/n3 |publisher=Labour Canada |page=xvii |isbn=978-0-662-55431-8}}{{cite book |year=1992 |title=Directory of Labour Organizations in Canada, 1992–93 |url=https://archive.org/details/reportoflabour199093cana/page/n308 |publisher=Labour Canada |page=xvii |isbn=978-0-660-57415-8}}

| membership_year = 1985–1992

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| affiliations = {{hlist | Canadian Labour Congress | ICEF}}

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}}

The Energy and Chemical Workers Union (ECWU) was a Canadian trade union. It was founded in April 1980{{cite book |author=Wayne Roberts |year=1990 |title=Cracking the Canadian Formula: The Making of the Energy and Chemical Workers Union |url=https://archive.org/details/crackingcanadian0000robe |url-access=limited |location=Toronto |publisher=Between the Lines |page=201 |isbn=978-0-921284-30-7}} as the result of a merger of the Canadian district of the Oil, Chemical and Atomic Workers International Union, the Canadian Chemical Workers Union, and various directly chartered local unions of the Fédération des travailleurs et travailleuses du Québec. In 1992, it merged with the Communications and Electrical Workers of Canada and the Canadian Paperworkers Union to form the Communications, Energy and Paperworkers Union of Canada.{{fact|date=September 2024}}