Sinfield

Sinfield is a surname. Notable people with the surname include:


 * Alan Sinfield (1941–2017), British academic
 * Ian Sinfield (athlete) (1934–2010), Australian runner
 * Ian Sinfield, Scottish rugby player
 * Kevin Sinfield (born 1980), English rugby player
 * Peter Sinfield (born 1943), English songwriter
 * Reg Sinfield (1900–1988), English cricketer