| Office: | Minister of Defence |
| Term Start: | 22 October 1903 |
| Term End: | 11 March 1905 |
| Primeminister: | Francis Hagerup |
| Predecessor: | Thomas Heftye |
| Successor: | Wilhelm Olssøn |
| Birth Date: | 6 July 1851 |
| Birth Place: | Trondheim, Sør-Trøndelag, Sweden-Norway |
| Death Place: | Vestre Aker, Norway |
| Spouse: | Hilde Louise Anderssen |
| Children: | Oscar Sigvald Strugstad |
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]