Robert Keller may refer to:
- Robert Keller (botanist) (1854–1939), Swiss botanist
- Robert Keller (music editor) (1828–1891), German music editor
- Robert J. Keller (1893–?), member of the Wisconsin State Assembly
- Robert P. Keller (1920–2010), general in the Marine Corps
This disambiguation page lists articles about people with the same name.
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