The following units and commanders fought in the Battle of Eylau of the Napoleonic Wars.
Steinheil Pioneer Company of Major Dreyer 1st Pioneer Company of Major Afanas'ev Fourth Division Major General A.A. Somov Cavalry Brigade MG Baron Friedrich von Korff Infantry Brigade MG Somov Brigade MG Arseniev 2 Brigade MG Barclay de Tolly Artillery Brigade Col Prince Yashvil 2 Engineers Fifth Division Lieutenant General N.A.
Baggovut From the Artillery Brigade Seventh Division Lieutenant General D.S.
Zapol'skii Brigade MG Straton-Potapov Brigade MG Markov 1 Artillery Brigade Col Ermolov Engineers 2nd Pioneer Regiment, Pioneer Company Maj Berg Eighth Division Lieutenant General P.K.
Glebov-Streshnev Infantry Brigade MG Zakhar Dmitrievich Olsufiev [* Viburg Musketeers Detached; fought with Prussian Corps] Brigade MG Engelhardt 1 Brigade MG Levitsky Artillery Brigade Col Nowak 1 Engineers 2nd Pioneer Regiment, Miner Company of Maj Zapreev Fourteenth Division Major General Count N.M. Kamensky 2d Cavalry Brigade Col D.D.
Sheplev [Brigade may not have been present] Infantry Brigade MG Alekseev Brigade MG Gersdorf Artillery Brigade Col Pyotr Papkov Engineers Pontoon Company of Major Rutkovski Prussian artillery temporarily attached to the Russian Army's Right Flank at Eylau Maj von Brockhausen