Giedrius Staniulis (born April 16, 1991) is a Lithuanian former professional basketball player . Standing at , he mainly played at the center position.
Staniulis represented the Lithuanian youth squads twice. He won bronze medal with the U-16 National Team in 2007 FIBA Europe Under-16 Championship and silver medal with the U-18 National Team in 2008 FIBA Europe Under-18 Championship.