10 attacks recorded (8 fatal)
| Date | Country | Region | Location | Fatal? | |
|---|---|---|---|---|---|
| Jan 10th 1903 | Australia | New South Wales | Lane Cove River, Sydney Harbor (Estuary) | Y | |
| Mar 12th 1903 | Australia | Queensland | Logan River | Y | |
| May 4th 1903 | Mexico | Veracruz | Coatzacoalcos | Y | |
| Jun 21st 1903 | Australia | New South Wales | Georges River | Y | |
| Jul 1st 1903 | Australia | Western Australia | Y | ||
| Jul 1st 1903 | Australia | Western Australia | Roebuck Bay | Y | |
| Jul 1st 1903 | USA | Hawaii | Koko Head, south side of O'ahu Island | Y | |
| Jul 1st 1903 | Falkland Islands | N | |||
| Sep 16th 1903 | USA | New Jersey | Atlantic City | N | |
| Oct 4th 1903 | Cuba | Havana Harbor | Y |