Johann van Zyl (born 2 February 1991) is a South African former racing cyclist, who rode professionally between 2013 and 2020 for Team Dimension Data, 303Project and Team Skyline. He rode at the 2013 UCI Road World Championships, and was named in the start list for the 2015 Vuelta a España and the 2016 Giro d'Italia.

After retiring from professional cycling, van Zyl became a coach with Catalyst Coaching.