19-year-old Charles McCausland, was last seen in Dromore at approximately 6pm yesterday heading towards the Fintona direction on foot.
Police have said they are concerned for his health and welfare and are trying to locate him.
He is described as 5’6?-5’7 in height, of slim build with dirty blonde/brown hair.
The 19-year-old has a skull tattoo on back of neck and a Chinese symbol on inside of right arm.
He was last seen wearing navy track bottoms and a brown t-shirt with yellow/green logo on front.
Anyone with information is asked to contact Omagh PSNI.