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
This 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.
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.