Pēteris Slavens
| Pēteris Slavens | |
|---|---|
| Native name | Пётр Антонович Славен | 
| Born | 5 April 1874 Cēsis | 
| Died | 14 November 1919 (aged 45) Valmiera | 
| Cause of death | Pneumonia | 
| Years of service | 1914–1917 (Russian Empire) 1918–1919 (Soviet Union | 
| Rank | Commander | 
Pēteris Slavens (Russian: Пётр Антонович Славен, romanized: Pyotr Antonovich Slaven; Cēsis, 5 April 1874 – Valmiera, 14 November 1919) was a Latvian Soviet military commander, who fought in the Russian Civil War.