Konstadinos Gatsioudis (; born 17 December 1973) is a retired Greek track and field athlete who competed in the javelin throw. His personal best throw of 91.69 m, achieved in 2000, is the Greek record.

Born in Didymoteicho, Gatsioudis set a world junior record in 1990 and eight national records during his career. He was named the 1997 Greek Male Athlete of the Year.

International competitions Representing 1990World Junior Championships Plovdiv, Bulgaria 6th69.90 m1992World Junior Championships Seoul, South Korea 3rd75.92 m1993World ChampionshipsStuttgart, Germany17th (q)76.70 m Mediterranean Games Narbonne, France 3rd77.00 m1994 European ChampionshipsHelsinki, Finland14th (q)78.56 m1995Military World Games Rome, Italy 3rd82.70 m1996Olympic GamesAtlanta, United States10th81.46 m 1997Mediterranean Games Bari, Italy 1st89.22 mWorld ChampionshipsAthens, Greece 3rd86.64 m 1999World ChampionshipsSeville, Spain 2nd89.18 m 2000Olympic GamesSydney, Australia6th86.53 m 2001World ChampionshipsEdmonton, Canada 3rd89.95 m

Seasonal bests by year 1990 - 69.90 1992 - 80.30 1993 - 78.44 1994 - 83.82 1995 - 82.70 1996 - 87.12 1997 - 89.22 1998 - 88.13 1999 - 89.84 2000 - 91.69 2001 - 91.27 2002 - 91.23 2006 - 75.40

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