Isaac Fletcher
Isaac Fletcher may refer to:

Isaac Fletcher (American politician) (1784–1842), American lawyer and politician
Isaac Fletcher (British politician) (1827–1879), British ironmaster and politician
Isaac Fletcher (footballer) (born 2002), English footballer
Isaac Dudley Fletcher (1844–1917), American businessman, art collector and museum benefactor

See also
Isaac Fletcher Redfield (1804–1876), American lawyer, judge, and legal scholar