Oscar Sigvald Julius Strugstad (6 July 1851 – 12 August 1919) was a Norwegian military officer and politician.

He served as Minister of Defence from 1903 to 1905.

[1] He died in 1919 and was buried at Vestre gravlund.

[2] His son and grandson were both named Oscar Sigvald Strugstad.

[3][4] This article about a Norwegian politician born in the 1850s is a stub.