Trond Halvorsen Wirstad

Trond Halvorsen Wirstad (15 June 1904 – 4 October 1985) was a Norwegian politician for the Centre Party.

He was elected to the Norwegian Parliament from Oppland in 1950, and was re-elected on four occasions.

Wirstad was born in Lunner and was mayor of Lunner municipality in the period 1947–1951.