BAE Systems Australia
| Company type | Subsidiary | 
|---|---|
| Industry | Aerospace and defence | 
| Founded | 1953 | 
| Headquarters | , | 
| Key people | 
 | 
| Number of employees | Approximately 4,000 | 
| Parent | BAE Systems | 
| Divisions | BAE Systems Maritime Australia | 
| Website | www.baesystems.com/en-aus/home | 
BAE Systems Australia, a subsidiary of BAE Systems, is one of the largest defence contractors in Australia. It was formed by the merger of British Aerospace Australia and GEC-Marconi Systems and expanded by the acquisitions of Armor Holdings in 2007 and Tenix Defence in June 2008.