1693 Hertzsprung (1935 LA) is a main-belt asteroid discovered on May 5, 1935 by Hendrik van Gent at Johannesburg (Leiden Southern Station).
Ejnar Hertzsprung (8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.
Hertzsprung was born in Copenhagen. In the period 1911–1913, together with Henry Norris Russell, he developed the Hertzsprung–Russell diagram.