The grim discovery was made by a member of the public who saw the body floating close to Pacific Quay in Glasgow around 9.25am.
Emergency services responded to the incident with police, fire and ambulance crews on the scene. A police helicopter was also patrolling overhead.
It's not known how long the body was in the water or how the person got there.
Witnesses said there were around seven police vehicles at the scene and 20 emergency services staff. A recovery operation involving police divers and the Strathclyde Fire and Rescue boat was carried out.
The body was removed from the water around an hour later.
A post mortem examination will be carried out to establish the exact cause of death.
Strathclyde Fire and Rescue refused to comment on the incident.
A police spokeswoman said earlier: "We received a call around 9.25am of a report of a body in the water close to Pacific Quay.
"Emergency services are at the scene to recover the body from the water.
"A post mortem will be carried out to establish the exact circumstances surrounding the death."