John Mather
John Mather may refer to:
- John Mather (artist) (1848–1916), Australian landscape painter
- John Mather (academic) (fl. 1715–1748), English academic administrator at the University of Oxford
- John Mather (businessman) (1827–1907), Canadian pioneer in milling
- John Mather (cricketer) (1821–1870), Australian cricketer
- John B. Mather (c.1845–1892), Canadian businessman and politician
- John C. Mather (born 1946), American Nobel Prize–winning astrophysicist and cosmologist
- John C. Mather (New York politician) (1813–1882), American politician
- John N. Mather (1942–2017), American mathematician
- John Perkins Cushing Mather (1816–1891), American politician
- John T. Mather (1854–1928), American industrialist and philanthropist
- John Baxter Mather (1853–1940), Scottish-born journalist, newspaper proprietor, painter and art critic in South Australia
See also
- John Mathers (CSI), a fictional character in the TV series CSI: Crime Scene Investigation
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