National Union of Bookbinders and Machine Rulers

{{short description|Former trade union of the United Kingdom}}

{{Use dmy dates|date=April 2022}}

{{Infobox union

| name = National Union of Bookbinders and Machine Rulers

| full_name =

| image =

| founded = 1911

| predecessor =

| successor =

| dissolved = 1921

| merged = National Union of Printing, Bookbinding, Machine Ruling and Paper Workers

| members = 7,000 (1912)

| publication =

| location_country= United Kingdom

| affiliation = Trades Union Congress

| key_people =

| headquarters = 9 Independent Buildings, Fargate, Sheffield

| footnotes =

}}

The National Union of Bookbinders and Machine Rulers was a trade union representing bookbinders and related workers in the United Kingdom.

The union was founded in 1911 when the Bookbinders' and Machine Rulers' Consolidated Union merged with the London Consolidated Society of Journeymen Bookbinders, the Vellum Account Book Binders' Trade Society and the Day Working Bookbinders of London.Arthur Marsh and John B. Smethurst, Historical Directory of Trade Unions, vol.5, p.55 Many Dublin-based members of the union left in 1920 to form the Irish Bookbinders' and Paper Rulers' Trade Union.Arthur Marsh and John B. Smethurst, Historical Directory of Trade Unions, vol.5, p.84

In 1921, the union merged with the National Union of Printing and Paper Workers to form the National Union of Printing, Bookbinding, Machine Ruling and Paper Workers.