He was 22-year-old Nathan Doran from Lurgan.
Mr Doran, who was a former pupil of Lismore Comprehensive in Craigavon, is understood to have worked close the accident took place at around 10.30pm on Wednesday night.
The PSNI said this morning: “A 22-year-old male motorcyclist from Lurgan died late last night on the main Armagh to Portadown road as a result of a collision.
“One other car involved was driven by an older lady.
“Investigations are ongoing.”
DUP MLA William Irwin said, “This is yet another very sad fatality on our roads and my thoughts and prayers are with the family of the young motorcyclist who has lost his life on Wednesday night.
“I would reiterate the message of the PSNI for anyone who may have witnessed the collision on the Dobbin Road to assist Police with their inquiries as they try to establish the cause of this collision.”
UUP Doug Beattie MC MLA said: “I was deeply saddened to hear of the death of a young man last night following a motorcycle accident on the Dobbin Road.
“Another young life has been taken too soon from within our community and my thoughts are very much with the family and friends at this difficult time.
“I would ask anyone with information to please get in touch with the PSNI.”
Independent unionist councillor David Jones added his condolences to the man’s family.
“I’m sad to learn a young male from Lurgan who lost his life in a motorbike accident last night outside Portadown,” he said.
“My thoughts and prayers are with the family at this time as they grieve the loss.
“Please, when you are travelling on the roads at night, take extra care especially with the dark winter nights drawing in.
“No family wants to have the police knocking at their door having to receive this type of news.”