Jowett is a surname of early medieval English origin. Notable people with the surname include:
Alan Jowett (1831–1913), railway author
Benjamin Jowett (1817–1893), English scholar, Oxford Don, and theologian
Fred Jowett (rugby player) (1879-1939), Wales and British Lion rugby union player
Frederick William Jowett (1864–1944), British Labour politician who took an anti-war stance
Jim Jowett (born 1926), English amateur footballer
John Henry Jowett (1863–1923), an English Protestant preacher and author
William Jowett (1787–1855), an English missionary