Matlack is a surname, and may refer to: Ann Matlack, American politician James Matlack (1775-1840), Representative from New Jersey Jesse Matlack (1821–1893), American politician from Pennsylvania Jon Matlack (born 1950), Major League Baseball pitcher Ruth Matlack (born 1931), All-American Girls Professional Baseball League player Timothy Matlack (c.1730-1829), merchant, surveyor, architect, statesman and patriot in the American Revolution White Matlack (1745-1824), New York Quaker and abolitionist