Sloat is a surname. Notable people with the surname include:
Ann Sloat (1928–2017), Canadian politician Barbara Sloat, American biologist Donald Sloat (1949–1970), Medal of Honor recipient John D. Sloat (1781–1867), American naval commodore who claimed California for the US Lefty Sloat (1918–2003), American baseball player Micah Sloat (b. 1981), American actor and musician