Herz-9 (Persian: حرز نهم) is an Iranian, domestically built, mobile air defense system developed and unveiled in 2013. The system is developed from the HQ-7.

In May 2013, the Ministry of Defense of the Islamic Republic of Iran announced the launched of the mass production of a new Air defense system, called Herz-9.

According to Iran's Defense Minister Brigadier General Ahmad Vahidi, Herz-9 "can identify and target enemy helicopters, rockets, and fighter jets at low ranges and low altitudes of about 8-12 kilometers." He also said that "this mobile air defense system uses the most technologically advanced computer hardware and software and the latest navigation system available today."

• Iran says producing new air defense missile Archived 2014-01-28 at archive.today bigstory.ap.org
• Defense minister inaugurates Herz 9 protector air defense system production line irandailybrief.com

• Photos: Iran inaugurates mass-production of new air defence system ‘Herz 9’ theiranproject.com