A30

A30 or A-30 may refer to:

Science

 * A30 matriline, the name given to the most commonly seen orca matriline in British Columbia, Canada
 * HLA-A30, a human serotype
 * A30, ICD10 code for Leprosy and related conditions

Air transportation

 * Aero A.30, a Czech light bomber developed in the late 1920s
 * A-30 Martin Baltimore, an American attack/bomber aircraft
 * A30, the IATA location identifier for Scott Valley Airport

Automobiles

 * Austin A30, a 1951–1956 British compact car
 * Dongfeng Fengshen A30, a 2014–2019 Chinese subcompact sedan
 * JAC Heyue A30, 2012–2019 Chinese subcompact sedan
 * Aeolus A30, a Chinese saloon

Other

 * Cruiser Mk VIII Challenger (A30), a British tank of World War II
 * List of A30 roads

Other uses

 * Samsung Galaxy A30, smartphone released in 2019
 * A30, a code in the Encyclopaedia of Chess Openings for the English Opening