Howie is a Scottish locational surname derived from a medieval estate in Scotland's southwest county of Ayrshire. While its ancient name is known as "The lands of How", its exact location is lost to time. The word "How", predating written history, appears to originate from the ancient Kingdom of Strathclyde as a locational description of a "hollow" (deep valley). The alternate spelling of Howie is "Howey". The oldest public record of the surname dates to 1526 in the town of Brechin. People with the surname or its variant include:
- Archibald Howie (born 1934), British physicist
- Forbes Howie (1920–2000), Scottish businessman
- George Howie (1899–1979), American racecar driver
- Gillian Howie, British philosopher
- Hugh Howie (1924–1958), Scottish footballer
- James Howie (1878–1963), Scottish footballer
- John Howie (biographer) (1735–1793), Scottish biographer
- John Howie (businessman) (1833–1895), Scottish businessman
- John Mackintosh Howie (1936–2011), Scottish mathematician
- Robert Howie (born 1929), Canadian politician
- Robert Howie (businessman) (1846–1927), Scottish businessman
- Thomas D. Howie (1908–1944), American army officer
- Thomas W. Howie (1856–1927), Scottish businessman
- William Howie, Baron Howie of Troon (born 1924), British politician
- Howey
- Benjamin Franklin Howey (1828–1895), American politician
- Kate Howey (born 1973), British judoka
- Lee Howey (born 1969), English footballer
- Peter Howey (born 1958), English footballer
- Steve Howey (actor) (born 1977), American actor
- Steve Howey (footballer) (born 1971), English footballer