The River Rother (originally named "Limen"), at 35 miles (56km), is one of the longest rivers in East Sussex, England. Its source is near Rotherfield (East Sussex), and its mouth is at Rye, East Sussex on the English Channel coast. Its tributaries include the River Tillingham and the River Brede.

The river's section below Bodiam Castle is navigable; following that are the Rother Levels (where the sea once penetrated); the Isle of Oxney lies to the north; and near Rye the Walland Marsh is at its eastern bank. The River Rother passes by or near the towns and villages of Etchingham, Robertsbridge, Bodiam, Northiam and Wittersham.

There is also a River Rother in West Sussex.

Rivers in Kent | Rivers in Sussex

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