Deon Holtzhausen was a general officer in the South African Army and general officer commanding the South African Army Artillery Formation. and later the chief of army force structure on the staff on the Chief of the Army.

The South African Army Artillery Formation is the controlling entity of all South African Army artillery units. It draws much of its history from the South African Artillery, established in 1934 but with roots that reach back to 1921. The formation consists of both regular and reserve units. There is a separate South African Army Air Defence Artillery Formation that directs army anti-aircraft warfare units.