Sudoma River
 The Sudoma River (Russian: Судома) is a left tributary of the Shelon River with its course located in Sudoma uplands in Dedovichsky and Bezhanitsky District of Pskov Oblast of Russia. The Sudoma is part of the Lake Ilmen drainage basin. The river has a length of 65 kilometres (40 mi) and drains a basin of 480 square kilometres (190 sq mi). It rarely attains the width of 20 metres (66 ft) being no deeper than 1 metre (3.3 ft) along its course.