SV Mattersburg is an Austrian association football club from Mattersburg, Burgenland. For sponsorship reasons, the club is currently also known as SV Bauwelt Koch Mattersburg.
The club was formed in 1922 and currently plays its home games at the 17,100 capacity Pappelstadion. The club has played in the Bundesliga since the 2003–04 season. SV Mattersburg draws surprisingly large crowds, with the average crowd for the 2004–05 season being the second highest in Austria, even though the town of Mattersburg has only 6,300 inhabitants. In the 2006–07 season, Mattersburg finished third in the Bundesliga, the highest position in their history.