Arizona Employers' Liability Cases

{{Use mdy dates|date=January 2025}}

{{Infobox SCOTUS case

|Litigants=Arizona Employers' Liability Cases

|ArgueDate=

|ArgueYear=

|DecideDate=June 9

|DecideYear=1919

|FullName=Arizona Copper Company, Limited, v. Hammer; Arizona Copper Company, Limited, v. Bray; Ray Consolidated Copper Company v. Veazey; Inspiration Consolidated Copper Company v. Mendez; Superior & Pittsburg Copper Company v. Tomich, sometimes known as Thomas

|USVol=250

|USPage=400

|Docket=

|ParallelCitations=

|Prior=

|Subsequent=

|Holding=Worker's compensation laws do not violate the employer's rights under the Fourteenth Amendment.

|Majority=Pitney

|JoinMajority=

|Concurrence=Holmes

|JoinConcurrence=Brandeis, Clark

|Dissent=McKenna

|JoinDissent=White, Van Devanter, McReynolds

|Dissent2=McReynolds

|JoinDissent2=White, McKenna, Van Devanter

|LawsApplied=U.S. Const. amend. XIV

}}

Arizona Employers' Liability Cases, 250 U.S. 400 (1919), was a collection of United States Supreme Court companion cases in which the court held that workers' compensation laws do not violate the employer's rights under the Fourteenth Amendment.{{ussc|name=Arizona Employers' Liability Cases|volume=250|page=400|year=1919}}.{{Cite book |last=Lieberman |first=Jethro K. |title=A Practical Companion to the Constitution |year=1999 |pages=546|chapter=Workers' Compensation}}