Mario Geudens (born 13 May 1975) is a Belgian former professional snooker player.
He played on the main tour over six seasons between 1993 and 2000, being ranked inside the top 100 for the 1998/1999 season.
As an amateur, Geudens has won the Belgian Amateur Championship twice, in 1999 and 2009, and was runner-up in that event in 1992.