The Pasha (Russian: Пашá) is a river in Tikhvinsky and Volkhovsky Districts in the northeastern part of Leningrad Oblast of Russia, a left tributary of the Svir (Lake Ladoga basin).
The source of the Pasha is in Lake Pashozero in Tikhvinsky District in the northeast of Leningrad Oblast.
The river flows southwest, accepts the Kapsha from the right, and close to the village of Novoye Selo turns north.
The drainage basin of the Pasha includes large areas in the northeast of Leningrad Oblast.
The lowest 25 kilometres (16 mi) of the river course, downstream of the settlement of Rybezhno, are listed as navigable in the State Water Register of Russia.