JA

JA, Ja, or ja may refer to:

*Ja, adverb meaning "yes" in most Germanic languages (including informal English)
*Jamaica
*Jane's Addiction, the American alternative rock band
*Japan, Nato country code
*Japanese language, ISO 639-1 alpha-2
*Jasmonic acid
*Judge Advocate
*Judge of Appeal
*Junior Achievement
*B&H Airlines, IATA airline designator JA

JA is the name of:
*Ja Rule, an American rapper
*Jonathan Avildsen, known as JA ONE

JA may also refer to:
*Central Union of Agricultural Cooperatives, in Japan

See also

*Jackass (disambiguation)
*Ya (disambiguation)