John Rigby may refer to:John Rigby (martyr), English Catholic and martyr John Rigby (gunmaker) (1892–1916), descendant of the founder of John Rigby & Co. Sir John Rigby (politician) (1834–1903), British lawyer and politician John Rigby (artist) (1922–2012), Australian artist, known for his bush landscapes John Rigby (rower) (1906–1975), New Zealand rower John E. Rigby (1923–1972), Canadian politician John Rigby (mathematician) (1933–2014), English mathematician John Rigby, British former alpine skier John Rigby (swimmer), Australian Olympic swimmer