Bezirk Mattersburg (Croatian: Kotar Matrštof, Hungarian: Nagymartoni járás) is a district of the state of Burgenland in Austria.

Towns (Städte) are indicated in boldface; market towns (Marktgemeinden) in italics; suburbs, hamlets and other subdivisions of a municipality are indicated in small characters. Where appropriate, the Croatian names are given in parentheses.

• Antau (Otava) (771)
• Bad Sauerbrunn (2,148)
• Baumgarten (Pajngrt) (899)
• Draßburg (Rasporak) (1,141)
• Forchtenstein (Fortnava) (2,806)
• Hirm (953)
• Krensdorf (Kreništof) (592)
• Loipersbach im Burgenland (1,253)
• Marz (1,983)
• Mattersburg (Matrštof) (7,106)
  • Walbersdorf
• Neudörfl (4,295)
• Pöttelsdorf (693)
• Pöttsching (Pecva) (2,898)
• Rohrbach bei Mattersburg (2,712)
• Schattendorf (Šundrof) (2,445)
• Sieggraben (Sigrob) (1,293)
• Sigleß (Cikleš) (1,124)
• Wiesen (Bizmet) (2,787)
• Zemendorf-Stöttera (1,276)
  • Stöttera, Zemendorf

47°44′46″N 16°25′01″E / 47.746°N 16.417°E / 47.746; 16.417