A man has been found dead in the Brisbane River after he was spotted floating in the water on Thursday night.

Following an overnight search, a member of the public found the man's body in the water near Eagle Street Pier just before 7am.

The man, believed to be aged in his 50s, was yet to be identified.

The body of a man has been found in the Brisbane River. Credit:Queensland Police Service.

On Thursday evening, police received a call from a person, reportedly a CityCat passenger, who said they had seen a man floating on his back near the QUT ferry terminal.