Eilert Waldemar Preben Ramm (4 May 1769 – 15 March 1837) was a Norwegian military officer and representative at the Norwegian Constitutional Assembly in 1814.
Eilert Ramm was born at the village of Furnes in Hedmark county, Norway (in the present-day Ringsaker Municipality). Ramm first joined the Zealand Light Dragon Regiment (sjællandske lette dragonregimentet ) in 1787. He rose through the ranks, and was later First Lieutenant and Captain of the cavalry in 1808.
He represented Søndenfjeldske Dragon-Regiment at the Norwegian Constituent Assembly which was held at Eidsvoll Manor in 1814. He was one of the two representative from Søndenfjeldske Dragon-Regiment together with Peder Paulsen Balke. He belonged to the independence party (Selvstendighetspartiet).
Eilert Waldemar Preben Ramm was married twice. He was the grandfather of Carl With, Commanding General of the Norwegian Army and great-grandfather of the artist Gabriel Kielland.