| Fritz Bützberger | |
| Birth Date: | 26 March 1862 |
| Birth Place: | Bleienbach, canton of Bern, Switzerland |
| Death Place: | Bern, Switzerland |
| Spouse: | Rosa Kohler |
| Field: | Mathematics |
| Alma Mater: | ETH Zurich University of Bern |
| Thesis Title: | Ein mit der Theorie algebraischer Flächen zusammenhängendes planimetrisches Problem |
| Thesis Year: | 1888 |
| Doctoral Advisor: | Ludwig Schläfli |
Fritz Bützberger (26 March 1862 – 1 November 1922) was a Swiss mathematician.
Bützberger was educated in the schools of Langenthal and Burgdorf before entering at ETH Zürich in 1880. He graduated in 1884 and began his teaching in his former secondary school in Langenthal. Simultaneously he studied for his doctorate that was awarded him by the university of Bern in 1888 under the advice of Ludwig Schläfli.
From 1896 he was mathematics professor at the Kantonsschule of Zürich. He also delivered some lectures on geometry to future teachers in the university of Zürich. From 1903 he had a teaching post in the technical school of Burgdorf.
He was the author of several text books for secondary level very valued and reedited several times. The matters included stereometry, trigonometry, algebra and arithmetic.
He was also the editor of the oldest papers and manuscripts of Jakob Steiner.
In 1896-97, he was on the organizing committee of the first International Congress of Mathematicians in Zürich.