DB ProjektBau

{{expand german}}

{{Infobox company

| name = DB ProjektBau

| logo = Db-netze.svg

| type = GmbH

| foundation = {{start date|2003|01|01}}

| defunct = {{end date|2015|12|31}}

| fate = Merged with DB International to form DB Engineering & Consulting

| location = Berlin, Germany

| key_people = Jens Bergmann (Chair)

| num_employees = ~4,400 (2013)

| parent = Deutsche Bahn

}}

DB ProjektBau GmbH was a German company that carried out and supported large-scale railway projects for Germany's national rail carrier, Deutsche Bahn (DB). It was created on 1 January 2003 as a subsidiary of DB. In 2016, it was merged with DB International to form DB Engineering & Consulting.{{cite web |title=DB Engineering & Consulting begins operations as of April |url=https://intrademagazine.com/db-engineering-consulting-begins-operations-as-of-april/ |website=International Trade Magazine |access-date=9 May 2025 |date=4 April 2016}}