Georg Elfvengren
| Yrjö Elfvengren | |
|---|---|
| Chairman of the Provisional Committee of Northern Ingria | |
| In office 16 November 1919 – May 1920 | |
| Preceded by | Juho Pekka Kokko | 
| Succeeded by | Jukka Tirranen | 
| Personal details | |
| Born | 8 September 1889 Sortavala, Grand Duchy of Finland | 
| Died | 10 June 1927 (aged 37) Moscow, Soviet Union | 
Yrjö Elfvengren (8 September 1889 – 10 June 1927) was a Finnish nobleman and white officer who was Chairman of the Provisional Committee of the unrecognized state of the Republic of North Ingria.