Slatter is a surname. Notable people with the surname include:
Angela Slatter (born 1967), Australian writer Heber Slatter (1887–1918), British footballer Helen Slatter (born 1970), British swimmer Henry F. Slatter (1817–1849), American slave trader Hope H. Slatter (1790–1853), American slave trader Hope H. Slatter II (1841–after 1900), American convict Kate Slatter (born 1971), Australian rower Leonard Slatter (1894-1961), British / South African air marshal Les Slatter (1931-2023), English professional footballer Neil Slatter (born 1964), Welsh footballer Shadrack F. Slatter (1798–1861), American slave trader Tim Slatter, rugby league footballer of the 1980s