Casper Oyvann (born 7 December 1999) is a Norwegian football defender who plays for Tromso IL.
A youth product of FK Bodo/Glimt, he made his senior debut in the 2018 Norwegian Football Cup, but never broke through and was loaned out to FK Mjolner in 2019. In 2020 he moved north to Tromsdalen UIL, and was picked up by their city rivals Tromso IL in 2021. He made his Eliteserien debut in May 2021 against Bodo/Glimt.
A futsal player for Hulloy, Oyvann has been capped for the national futsal team.