Der arbeyter
| Publisher | Polish Socialist Party | 
|---|---|
| Editor | Maks Horwitz, Leon Wasilewski, Feliks Sachs | 
| Founded | 1898 | 
| Political alignment | Socialist | 
| Language | Yiddish | 
| Ceased publication | 1905 | 
| Headquarters | London (1898-1901), Vilna (1902-), Warsaw (1905-) | 
| Circulation | 1,500 (1898), 20,000 (1905) | 
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| Yiddish journalism | 
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| Defunct | 
Der arbeyter (דער ארבײטער, 'The Worker') was a Yiddish-language newspaper, issued by the Polish Socialist Party (PPS). The newspaper was launched in 1898, named after a Galician Jewish social democratic publication by the same name. Der arbeyter was initially published from London.