Blyth is a surname of Scottish origin. It is derived from the Old English pre 7th Century "blithe", meaning a happy or cheerful person.
Notable people with the surname include:
Alan Blyth (1929–2007), English musicologistAlan Blyth (artist) (c. 1921 – 1953), English painterAnn Blyth (born 1928), American actressSir Arthur Blyth (1823–1890), thrice Premier of South AustraliaBenjamin Blyth (1819–1866), Scottish civil engineerBenjamin Blyth II (1849–1917), son of the above, also a civil engineerBob Blyth (1870–1941), Scottish football player and managerChay Blyth (born 1940), Scottish yachtsmanEdward Blyth (1810–1873), the biologist abbreviated Blyth in taxonomic referencesGeorge Blyth (died 1914), Anglican BishopJames Blyth (1839-1906), Scottish electrical engineerJames Blyth, 1st Baron Blyth (1841–1925), British businessmanSir James Blyth, Baron Blyth of Rowington (born 1940), British businessmanJim Blyth (footballer, born 1890), Scottish footballer (Dumbarton FC)Jim Blyth (footballer, born 1911), Scottish footballer (Tottenham Hotspur, Hull City, St Johnstone)Jim Blyth (footballer, born 1955), Scottish football goalkeeper (Coventry City, Scotland)John Blyth (died 1499), Bishop of SalisburyLen Blyth, Wales international rugby playerMark Blyth (born 1967), Scottish political scientist and professor at Brown University.Reginald Horace Blyth (1898–1964), English translator of and writer about haiku, and interpreter to the West of Asian cultureRobert Henderson Blyth (1919-1970), Scottish landscape painter and artist