The men's Greco-Roman 58 kilograms wrestling competition at the 1998 Asian Games in Bangkok was held on 13 December and 14 December at the Thammasat Gymnasium 1.
The gold and silver medalists were determined by the final match of the main single-elimination bracket. The losers advanced to the repechage. These matches determined the bronze medalist for the event.
All times are Indochina Time (UTC+07:00)