Leo Karl Heinrich Meyer (3 July 1830 – 6 June 1910) was a German philologist who spent much of his career in the Governorate of Livonia (now Estonia).

He was born at Bledeln [Wikidata], a village in the present-day district of Hildesheim, near Hanover.

He was educated at Göttingen and Berlin, where he was a student of the Brothers Grimm.

[2] From 1869 to 1899 he was the president of the Learned Estonian Society.

This Estonian academic-related biographical article is a stub.