Lionfish IV (Australia) - Dive Boat
- Type: Dive Boat
- Country: Australia
- Region: Western Australia
- Name: Lionfish IV
- Address: 8 Rous Head Road
6159 North Fremantle - Telephone number: +61 8 94306300
- Fax number: +61 8 94306544
- Email: pda [at] perthdiving.com.au