Steven L. Olsonoski, better known by the ring name Steve O, is a retired American professional wrestler from Minnesota. He was considered one of the top junior heavyweights during the 1980s. Steve Olsonoski, purportedly from Edina, Minnesota, began his wrestling career in the late 1970s in the American Wrestling Association. He was often described as an up-and-coming star. He briefly teamed with Evan Johnson in the AWA, but his career progressed substantially as a solo wrestler. He wrestled off and on for the AWA through the 1980s. Olsonoski, also known as Steve O., also wrestled for The National Wrestling Alliance in the early 1980s in the Georgia Championship Wrestling territory. While in Georgia he won the NWA Georgia Junior Heavyweight Championship, the NWA National Heavyweight Championship, the NWA National Tag Team Championship and twice won the NWA National Television Championship. He later returned to worked for Verne Gagne in the American Wrestling Association.

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