The Komati River is a river in South Africa, Swaziland and Mozambique. It is 480 kilometres (298 mi) long, with a drainage basin 50,000 square kilometres (19,300 sq mi) in size. Its mean annual discharge is 111 m3/s at its mouth. The name Komati is derived from inkomati (siSwati), meaning "cow", as its perennial nature is compared to a cow that always has milk.