Barnabás Steinmetz (born October 6, 1975 in Budapest) is a Hungarian water polo player who played on the gold medal squads at the 2000 Summer Olympics and 2004 Summer Olympics. He is nicknamed Barney and Sema, and made his debut for the national team in 1993, at an international tournament in Moscow, Russia. He is currently the player of Vasas SC.
KSI SE (1987–1993) FTC-Vitasport (1993–1995) Szegedi VE (1995–1996) FTC-Thomas Jeans (1996–2000) 2x Posillipo (2000–2003) TEVA-VasasPlaket (2003–2009) Ferencvárosi TC (2009–2010) 3x TEVA-Vasas-UNIQA (2010–2012) 2x RacioNet Honvéd (2012–2016)Olympic Games: Gold medal - 2000, 2004World Championships: Gold medal - 2003; Silver medal - 1998European Championship: Gold medal - 1997, 1999; Silver medal - 1993; Bronze medal - 2001, 2003Universiade: (Silver medal - 1995)Junior World Championships: (Gold medal - 1995; Bronze medal - 1993)Junior European Championship: (Gold medal - 1992, 1994)Cup Winners' Cup Winners (2): (1998 - with FTC; 2003 - with Posillipo)Hungarian Championship (OB I): 5x (2000 - with FTC; 2007, 2008, 2009, 2012 - with Vasas)Hungarian Cup (Magyar Kupa): 3x (1996 (2) - with FTC; 2004, 2005 - with Vasas) Italian Championship (Serie A1): 1x (2001 - with Posillipo)Member of the Hungarian team of year: 1993, 1997, 1999, 2000, 2003, 2004Masterly youth athlete: 1995, 1996 Officer's Cross of the Order of Merit of the Republic of Hungary (2000) Commander's Cross of the Order of Merit of the Republic of Hungary (2004)Papp László Budapest Sportíj (2014) 
