Etienne Bax (born 9 August 1988) is a Dutch sidecarcross rider and the 2015,2017 and 2019 World Champion.
He also became a three-time runner-up, having come second overall in 2012, 2013 and 2014.
Bax has also won the Dutch national championship on five occasions, in 2010, 2011, 2012, 2014 and 2015.