Anton Mervar (1885 – 21 July 1942) was a manufacturer of Slovenian button accordions.Anton began working with his father Anton Sr. in his father's shop in their hometown of Trifail, in the Austrian province of Krain (now Trbovlje, Slovenia). His father had learned on his own to repair Slovenian diatonic accordions, and eventually began to produce them himself in his workshop. Mervar's accordions set a standard for accordion craftsmanship. His instruments are highly prized by accordionists and collectors for their excellence and distinctive, powerful tone.