| Attila Decker | |
| Nickname: | Deki |
| Nationality: | Hungarian |
| Birth Date: | 25 August 1987 |
| Birth Place: | Budapest, Hungary[1] |
| Height: | 1.97 m |
| Position: | Goalkeeper |
| L/R: | Right |
| Youthyears1: | 1997– |
| Youthclubs1: | BVSC |
| Years1: | –2005 |
| Clubs1: | BVSC |
| Years2: | 2005–2008 |
| Clubs2: | Eger |
| Years3: | 2008–2009 |
| Clubs3: | BVSC |
| Years4: | 2009–2010 |
| Clubs4: | Ferencváros |
| Years5: | 2010–2011 |
| Clubs5: | Debrecen |
| Years6: | 2011–2016 |
| Clubs6: | Szolnok |
| Years7: | 2016–2023 |
| Clubs7: | Bp. Honvéd |
| Nationalyears1: | 2012– |
| Nationalteam1: | Hungary |
| Show-Medals: | no |
| Updated: | 2 August 2023 |
Attila Decker (born 25 August 1987) is a Hungarian male water polo player. He is part of the Hungary men's national water polo team. He won a gold medal at the 2013 World Championships.[2] He is the younger brother of Ádám Decker water polo player.
Eger (Brendon-Fenstherm-ZF-Eger)
Szolnok (Szolnoki Dózsa-KÖZGÉP)