Mr Hart, 40, from Bishopthorpe, York, suffered fatal injuries when the vehicles collided on the B1224 at Rufforth at about 13:00 GMT on Monday.
The drivers of the van and car were taken to hospital for treatment suffering from shock.
Mr Hart had been riding a Ducati 900M bike. A post mortem examination found he died from a head injury.
A motorcyclist who died after he crashed with a van and a car in York has been named as David Hart.