Robert Fiske may refer to:
Robert Fiske (actor) (1889–1944), American film actor Robert B. Fiske (1930–2025), American lawyer and Whitewater special prosecutor Robert Hartwell Fiske (1948–2016), writer, editor, and publisher of The Vocabula Review
See also Robert Fiske Bradford (1902–1983), American politician Robert Fiske Griggs (1881–1962), American botanist and ecologist Robert Fisk (1946–2020), British journalist Robert Farris Fisk (1819–1863), American lawyer and librarian