Sherwin Holger Petersen (born May 12, 1953)[1] is a farmer and former political figure in Saskatchewan, Canada.
He was born in Rose Valley, Saskatchewan, the son of Orla Peterson and was educated at the Kelsey Institute in Saskatoon.
Peterson was defeated by Kenneth Kluz when he ran for reelection to the Saskatchewan assembly in 1991.
After leaving politics, he returned to farming and also operated an air seeder business.
[1] Peterson was granted a conditional discharge and ordered to repay $9,285 in the aftermath of the Saskatchewan Progressive Conservative fraud scandal.