HH9 explained

HH9 or HH-9 may refer to:

• Ashes of Victory, the ninth novel in the Honor Harrington series by David Weber, abbreviated HH9
• HH9, an album by Henrik Nordvargr Björkk; see Nordvargr discography
• HH9, one of the Hamburger–Hamilton stages in chick development
• HH9, one of the hammerhead ribozymes
• Nasal embryonic LHRH factor (HH9)
• (pennant: HH9), a WWII-era German fishing boat

See also

• • • H9 (disambiguation)