New Zealand Building Trades Union

{{Use New Zealand English|date=July 2024}}

{{Use dmy dates|date=July 2019}}

{{Infobox organization

|name = NZBTU

|location_country= New Zealand

|affiliation = NZCTU

|members = 1400

|full_name = New Zealand Building Trades Union

|native_name =

|image = Image:NZBTU logo.png

|founded = 1860

|dissolved =

|merged =

|headquarters = Christchurch, New Zealand

|key_people = David O'Connell, national secretary

|website = [http://www.nzbtu.org.nz/ www.nzbtu.org.nz]

|footnotes =

}}

The New Zealand Building Trades Union (NZBTU) was a national trade union in New Zealand. It traced its roots back to a carpenters and joiners union in 1860.

The NZBTU had 1400 members and was a member of the New Zealand Council of Trade Unions.