Police said the accident happened on Monday morning on the outbound Thep Kasattree Road.
Police said the motorcyclist, Sermsak Malasi, 29, was riding from Muang district towards the Rajbhat Phuket University Intersection when the accident occurred.
His Kawasaki big bike hit the back of a parked Mazda car and his body was hurled about 20 metres away, police said, adding that he died at the scene.