Otto Basler (8 May 1892 in Kitzingen, Bavaria – 28 May 1975 in Freiburg im Breisgau) was a German philologist.
In 1943, he started teaching at the University of Munich, first with a training order for German philology and folklore, and in 1947, he became a professor at the university.
He left Freiburg im Breisgau, where he taught since 1952 as a fee professor to 1959.
Basler was involved in the German orthography reform of 1944.
[1] After the end of the World War II, he published his proposals for a spelling reform in his Leibniz publishing house.