Ludwig Seidel
Ludwig Seidel is the name of the following people:
- Ludwig Seidel (1821–1896), German mathematician, optician and astronomer, see Philipp Ludwig von Seidel
- Ludwig Seidel (publisher) (1835–1900), Austrian bookseller and publisher
- Ludwig von Seidel (civil servant) (1869–1948), German lawyer and judicial officer
- Ludwig Wilhelm Seidel (1802–1894), Austrian bookseller and publisher