Isidoor Teirlinck (Zegelsem, 2 January 1851 - Forest, Brussels, 27 June 1934) was a Belgian writer.
He married with Oda van Nieuwenhove and he was the father of the writer Herman Teirlinck.
He wrote several books, together with his brother-in-law Reimond Stijns, as Teirlinck-Stijns.
Their most famous novel was Arm Vlaanderen (E: Poor Flanders), which they published in 1884.
This article about a Belgian writer or poet is a stub.