Tamás Decsi

Tamás Decsi (born 15 October 1982) is a Hungarian sabre fencer. He won two medals in the same weapon at the 2009 World Fencing Championships in Antalya, Turkey.
Decsi represented Hungary at the 2008 Summer Olympics in Beijing, where he competed in two sabre events. For his first event, men's individual sabre, Decsi received a bye for the preliminary round of thirty-two match, before losing out to his teammate Áron Szilágyi, with a score of 9–15. Few days later, he joined with his fellow fencers and teammates Szilágyi, Balázs Lontay, and Zsolt Nemcsik for the men's team sabre. Decsi and his team won the seventh place match against the Egyptian team (led by Mahmoud Samir), with a total score of 45 touches.

• Hungarian Junior fencer of the Year (1): 2002
• Member of Hungarian fencing team of the Year (1): 2007
• Hungarian fencer of the Year (1): 2009