Mather is a given name. Notable people with the surname include:
Mather Byles Almon (1796–1871) Canadian banker, politician, and philanthropist Mather Brown (1761–1831), American portrait and historical painter Mather Byles (1706–1788), American clergyman Mather Byles (loyalist) (1734/35–1814), American clergyman, son of the above Mather Byles DesBrisay (1828–1900), Canadian lawyer, judge, politician, and historian Mather Zickel (born ), American actor