Ostertag is a German surname that may refer to the following people:
- Blanche Ostertag (1872–1915), American decorative artist
- Bob Ostertag (born 1957), American experimental sound artist, political activist and writer
- Greg Ostertag (born 1973), American basketball player
- Harold C. Ostertag (1896–1985), American politician
- Heiger Ostertag (born 1953), German novelist
- Molly Knox Ostertag (born 1991), American cartoonist and writer
- Robert von Ostertag (1864–1940), German veterinarian
- Sébastien Ostertag (born 1979), French team handball player
Surname listThis page lists people with the surname Ostertag. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Categories: