Jacob (Jakob) Frederik Scavenius (12 September 1838 - 26 November 1915) was a Danish landowner and politician.

He graduated from Metropolitanskolen in 1857 and earned a degree in economics (cand.

[1] Scavenius married Louise Sophie Castonier (4 September 1844 6 November 1920) on 21 June 1865.

She was a daughter of lieutenant colonel in the Danish West Indies Frederik Julius Christian Castonier (1804–67) and Annie Catharine O'Ferral (1813–78).

[1] He died on 26 November 1915 and is buried at Holtug Cemetery.