An Australian man has reportedly been found dead in his hotel room in Thailand.

The 21-year-old man was found on a bed in his room at a hotel in Tambon Thepkrasattri, a northern district of Phuket, according to local news reports.

Police were called about 10am on Wednesday.

Know the news with the 7NEWS app: Download today

The man had checked in to the hotel on July 20 and was due to check out on Thursday.

He was reportedly wearing a black T-shirt and still holding his mobile phone.

According to local reports, there were no signs of a disturbance, no evidence of a break-in and no visible injuries suggesting foul play.

He was reportedly sporting a bandaged elbow and wrist, but his friends told police he sustained those injuries in a recent motorbike accident.

A forensic doctor was called and the body was taken to Vachira Phuket Hospital for post-mortem examination as police investigations continue.

The Australian consulate in Thailand has reportedly been informed about the incident. www.20304050.best has contacted DFAT for comment.