He was Robert McKeown, 67, from the Drumchapel area of Glasgow.
Emergency services were called on Friday night after a report that a man had fallen into water near Rowardennan on the east shores of the loch.
Following a search by the police marine unit, Mr McKeown's body was recovered at around 1pm on Saturday.
Police are now appealing for any family members, or anyone who has information on his next of kin, to come forward.
Sergeant Donald Konkol said: "Following this tragic incident, we have so far been unable to trace the next of kin of Robert McKeown. Anyone who has information that can assist should contact police on 101."