Billy Duff

{{short description|English footballer}}

{{Use dmy dates|date=June 2016}}

{{Use British English|date=June 2016}}

{{Infobox football biography

| name = Billy Duff

| fullname = William Francis Andrew Duff

| birth_date = {{birth date|1938|12|16|df=y}}

| birth_place = Littleborough, England

| death_date = {{death date and age|2002|3|25|1938|12|16|df=y}}{{Hugman|5494|accessdate=5 October 2016}}

| death_place = Rochdale, England

| position = Left winger

| years1 = 1956–1958 | clubs1 = Rochdale | caps1 = 0 | goals1 = 0

| years2 = 1958–1960 | clubs2 = Scunthorpe United | caps2 = 0 | goals2 = 0

| years3 = 1960 | clubs3 = Polish White Eagles (Toronto) | caps3 = | goals3 =

| years4 = 1960 | clubs4 = Grimsby Town | caps4 = 3 | goals4 = 1

| years5 = 1960–1961 | clubs5 = Accrington Stanley | caps5 = 14 | goals5 = 3

| years6 = 1961–1963 | clubs6 = Runcorn | caps6 = | goals6 =

| years7 = 1963–1964 | clubs7 = Rossendale United | caps7 =15 | goals7 = 3

| totalcaps = 17

| totalgoals = 4

}}

William Francis Andrew Duff (16 December 1938 — 25 March 2002) was an English professional footballer who played as a left winger in the Football League.