K8

K8 or K-8 may refer to:

• K-8 (Kansas highway), two highways in Kansas, one in northern Kansas, one in southern Kansas
• K-8 school, a type of school that includes kindergarten and grades one through eight
• K8 telephone box, designed by Bruce Martin
• AMD K8, the internal designation for the first generation of AMD64-architecture microprocessors from AMD
• Hongdu JL-8 or K-8, a training aircraft
• Kaliningrad K-8 (AA-3 Anab), a Soviet missile
• Norrlands dragonregemente or K 8, a Swedish Army cavalry regiment
• Schleicher Ka 8, a single-seat glider
• Soviet submarine K-8
• Violin Sonata No. 3 (Mozart) K. 8, by Wolfgang Amadeus Mozart
• Zambia Skyways, IATA airline designator
• World Atlantic Airlines, IATA airline designator
• Kan Air, IATA airline designator
• K8, a member of the Mazda K engine family
• LG K8, an LG K series mobile phone released in 2016
• K8 group, an online casino company
• Kubernetes, a software container orchestration system
• Kia K8, a South Korean car
• K8, the on-air branding of KAIT, a television station in Jonesboro, Arkansas