Hercules was the name of a large number of steamships.
- SS Hercules (1835), built for the Chester and Holyhead railway, later acquired by the London and North Western Railway.
- SS Hercules (1888), built for Dampfschiffahrts-Gesellschaft Neptun, Bremen. In service 1888–89
- SS Hercules (1903), built for Dampfschiffahrts-Gesellschaft Neptun. In service 1903–14
- SS Hercules (1910), built for the London Brighton and South Coast Railway as SS Brittany. Renamed Hercules in 1936
- SS Hercules (1929), built for Dampfschiffahrts-Gesellschaft Neptun. In service 1929–45.
For other ships named Hercules see the following entries on the Miramar website (subscription required). These may be sailing ships, steam ships or motor vessels.