Marxist Workers' League

Marxist Workers League can refer to:


 * The Marxist Workers' League (Finland); a Trotskyist group associated with the Co-ordinating Committee for the Refoundation of the Fourth International, formerly a member of the International Workers' Committee
 * The Marxist Workers' League (Turkey); a Trotskyist group associated with the Coordinating Committee for the Refoundation of the Fourth International
 * The Marxist Workers League (US); either of two groups to split from the Oehlerite Revolutionary Workers League