SS Ohio was a tanker launched in 1940 by Sun Shipbuilding for the Texas Oil Company; figured prominently in Operation Pedestal, the Allied resupply of Malta in World War II.

SS Ohio may also refer to the following ships:

• SS Ohio (1869), a Norddeutscher Lloyd passenger liner launched in 1869 by Caird & Company^[1]
• SS Ohio (1872), a passenger steamer launched in 1872 by William Cramp & Sons
• SS Ohio (1875), a lake freighter launched in 1875 by John F. Squires
• SS Ohio (1920), a Royal Mail Line steamer, later White Star Line's Albertic
• SS Ohio (1943), a United States military supply ship, built as a naval tanker

• SS Ohioan
• USS Ohio