Guillaume Van Keirsbulck (born 14 February 1991) is a Belgian former professional road bicycle racer, who competed as a professional from 2011 to 2023.

Born in Roeselare, Van Keirsbulck is the grandson of Benoni Beheyt and got his first major win in 2011 when winning the Omloop van het Houtland.

[6] In June 2017, he was named in the startlist for the 2017 Tour de France.

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