Sir Robert Reginald Frederick Butler, 1st Baronet (19 June 1866 – 19 November 1933) was an English businessman.

Butler was born in Edford, Somerset, and educated at Bedford School. He was director of a number of catering and confectionery companies, notably chairman of United Dairies. He was created a Baronet in the 1922 New Year Honours for his wartime services.

Footnotes

References Obituary, The Times, 20 November 1933 Sir Reginald Butler, Notes of the Day, Western Daily Press, 23 November 1933