Siegler (plural Sieglers)
- A surname.
- According to the 2010 United States Census, Siegler is the 17432nd most common surname in the United States, belonging to 1618 individuals. Siegler is most common among White (94.56%) individuals.
- Geisler, Giesler, Reigels, Reigles, Riegels, Riegles, Seigler, leigers, liegers, reigles, riegels