13 attacks recorded (3 fatal)
| Date | Country | Region | Location | Fatal? | |
|---|---|---|---|---|---|
| Jul 1st 1920 | South Africa | KZN | Tugela River | N | |
| Jul 1st 1920 | New Zealand | North Island | Stanley Bay, Auckland Harbor | N | |
| Jan 15th 1920 | Australia | New South Wales | Throsby Creek, Newcastle | Y | |
| Jan 24th 1920 | Australia | Torres Strait | Arlington Reef | Y | |
| Jan 24th 1920 | Australia | Torres Strait | N | ||
| Feb 3rd 1920 | South Africa | Eastern Cape Province | Zwartkops River | N | |
| Mar 8th 1920 | Australia | Queensland | Between Bay Rock & Magnetic Island, Cleveland Bay | N | |
| Jun 29th 1920 | USA | Florida | Englewood Beach, Charlotte County | N | |
| Jul 6th 1920 | Australia | 200 miles from MacKay | N | ||
| Jul 14th 1920 | USA | New York | Woodcliff Channel, Freeport, Long Island | N | |
| Nov 4th 1920 | Philippines | Leyte | Y | ||
| Nov 22nd 1920 | Australia | Western Australia | Cottesloe Beach | N | |
| Nov 29th 1920 | Australia | Western Australia | Bunbury | N |