Casualties were treated by the roadside following an early morning crash on the Tullycullion Road, between the Cookstown Road and Donaghmore.
Police said they received a report of the smash - which involved a transit van and a car - around 7.30am and had finished at the scene by 8.20am.
It is understood one person reported back pain and that an ambulance attended.
A Northern Ireland Ambulance Service spokesperson said: "The Northern Ireland Ambulance Service was called at 7.19am this morning following reports of a two-vehicle RTC on Tullycullion Road, Dungannon.
"One A&E crew attended the scene. All casualties were assessed and discharged at scene without requiring hospital treatment."