Yotvingians or Sudovians (also called Suduvians, Jatvians, or Jatvingians in English) (; ; , , ) were a Baltic people with close cultural ties in 1200CE to the Lithuanians and Prussians. The Yotvingian language (sometimes called Sudovian) was a Western Baltic language nearest to Prussian, but with small variations. They were referred to in regional historical records into the 19th century.

Yotvingians or Sudovians (also called Suduvians, Jatvians, or Jatvingians in English) (; ; , , ) were a Baltic people with close cultural ties in 1200CE to the Lithuanians and Prussians. The Yotvingian language (sometimes called Sudovian) was a Western Baltic language nearest to Prussian, but with small variations. They were referred to in regional historical records into the 19th century.