Laine Erik (later Kallas; 21 April 1942 – 6 October 2024) was an Estonian agricultural scientist and middle-distance runner.

In this event she finished sixth at the 1964 Olympics, while at the 1968 Games she was eliminated in semifinals.

In 1965 she won a gold medal at the Summer Universiade, and in 1964 she was part of the Soviet 3×800 m team that set a world record.

Between 1969 and 1996 she worked as a researcher at the Institute of Animal Science of Estonian Agricultural University,[3] and after that as a company manager.

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