Hans Fraungruber was an Austrian writer.
Hans Fraungruber grew up in the Styrian Salzkammergut with his grandmother before moving to St. Pölten to live with his parents at the age of six. Here his father worked as a postmaster. Fraungruber attended grammar school in Seitenstetten. He then went to the teacher training college in Salzburg and St. Pölten. In 1881 he was initially employed as a teacher in Christofen near Neulengbach before working in Vienna from 1884 until his retirement. He first taught at the Stumpergasse elementary school in Vienna-Mariahilf, then from 1909 to 1917 at the Gumpendorfer Straße 4 elementary school, also in Mariahilf. His last position there was principal.

Hans Fraungruber married Maria von Ittersheim in 1895. He lived at Fillgradergasse 5 in Vienna-Mariahilf. He usually spent his vacations in Bad Mitterndorf and remained connected to the Salzkammergut region throughout his life.

In 1917, Fraungruber took over the editorship of the magazine Das deutsche Volkslied and after the First World War, as an official of the Ministry of Education, he was a member of the reading book committee. He was the editor of Gerlach's Jugendbücherei.

Fraungruber died after a serious illness in the Vienna Hospital of the Brothers of Mercy. He was buried in the Vienna Central Cemetery (33A-1-32) and was given an honorary grave there.