Stuart Johnson is an open water swimmer from Sydney, Australia who successfully completed a two-way crossing of the English Channel
on 21 August 2011 in 25 hours 50 minutes to join the 24-hour club
. He is attempting a three-way crossing of the English Channel
in September 2012.
In 2012, he was the winner of the Alison Streeter Award for the fastest two way English Channel swim of the year.