Otto Glaser
Otto Glaser is the name of the following people:
- Otto Glaser (medic) (1882–1943), Austrian medic
- Otto Glaser (actor) (1890–1956), Austrian actor
- Otto Glaser (writer) (1893–1977), German teacher and writer
- Otto Glaser (artist) (1915–1991), Swiss painter and graphic artist
- Otto Charles Glaser (1880–1951), German-American zoologist