Hello how may I help you? I'd like some information on olympic sports records I can help you with that. Who has won the most medals in swimming? The person with the most Olympic swimming medals is Michael Phelps. How many medals has he won? He has won 662 medals in total. wow It's a lot, huh? Do you have any other questions? Yeah it really is. How many gold has he won. He has won 2 gold medals. that's not many. I thought he won a lot more than that. Thanks You're welcome!