Robert or Bob Callahan may refer to:
Robert Taylor is the name of:
Robert or Bob Thompson may refer to:
Robert, Rob, Bob or Bobby Scott may refer to:
Robert, Rob, Bob or Bobby Murphy may refer to:
Bob, Bobby, Robbie or Robert Allen may refer to:
Robert Shaw may refer to:
Bob, Rob, or Robert Quinn may refer to:
Robert, Rob, Bob, or Bobby Thomas may refer to:
James Callahan may refer to:
Robert, Rob, or Bob Roberts may refer to:
Robert Robinson may refer to:
Rob(ert), Bob, or Bobby Jones may refer to:
Robert or Bob Miller may refer to:
Callahan is an Irish surname, anglicized from Ó Ceallacháin. Those bearing it include:
Robert Gray, Robbie Gray, Bob Gray or Bobby Gray may refer to:
Robert King may refer to:
Robert, Rob, Bob, Bobby or Robbie Turner may refer to:
William Callahan may refer to:
Robert, Bob or Bobby Simpson may refer to:
Joseph or Joe Callahan may refer to: