Hiroki Yokoyama

Hiroki Yokoyama may refer to:


 * Hiroki Yokoyama (baseball) (born 1992), Japanese baseball player
 * Hiroki Yokoyama (runner), Japanese marathon runner, winner of the Kyoto Marathon in 2014 and 2015
 * Hiroki Yokoyama (speed skater) (born 1994), Japanese speed skater