On Sunday at 4.50pm, a white Renault Megane and a white off-road motorcycle were involved in a collision on Cemetery Road, at the junction with Lady Croft Lane, in Hemingfield.
A 25-year-old man riding the motorcycle suffered fatal injuries and died. His family has been notified and is receiving support from specially trained officers.
The driver of the Renault, a 27-year-old man, was not injured.
Police are appealing for witnesses to the collision or anyone with any dashcam footage to contact the 101 quoting reference incident number 495 of March 22.