Robert or Bob Callahan may refer to:
- Bob Callahan (politician) (1937–2020), Canadian politician
- Bob Callahan (American football) (1923–2011), American football player
- Robert J. Callahan (1930–2013), Connecticut Supreme Court justice
See also edit
- Robert O'Callaghan (1777–1840), British Army officer and politician
- Robert Callaghan, a fictional character in the 2016 animated film Big Hero 6
This disambiguation page lists articles about people with the same name.
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