Fabio Ricardo Diez Steinaker (born November 18, 1965 in Santa Fe) is a former male beach volleyball player, who represented Spain at the 2000 Summer Olympics.
Alongside Javier Bosma he won the silver medal at the 1999 European Championships in Palma de Mallorca.
3 times Spanish Champion, Argentinean Sub Champion, 3 times Bronze Medal in International World Tour Fivb.