An Iraqi military statement said the camp had been targeted by Katyusha rockets.
Sky News reported a missile landed near the camp's gates, wounding a member of the security forces.
Taji is the base where the remaining 45 New Zealand defence force personnel are stationed in Iraq.
The New Zealand Defence Force (NDF) said all New Zealand soldiers at the camp are safe and accounted for.
A spokesperson said the rocket attacks where New Zealand soldiers are training Iraqi security forces are a regular occurrence.