The AAA World Cruiserweight Championship (Campeónato Mundial Crucero AAA in Spanish) is a professional wrestling championship contested for in the Mexican lucha libre promotion Asistencia Asesoría y Administración (AAA). The championship cannot be competed for by anyone who is over the Cruiserweight division weight limit of 230 lbs (105 kg) and below. Traditionally this division is labelled as the "Junior Heavyweight" division in Mexico while "Cruiserweight" is a term more used in the United States or Canada.
The title is vacated after AAA creates the AAA Cruiserweight Championship.
||Alex Koslov||1||May 21, 2009
||23||Aguascalientes, Aguascalientes||AAA Television Taping||Defeated Extreme Tiger and Alan Stone to become the first champion|
||Extreme Tiger||1||June 13, 2009
||69||Mexico City||Triplemania XVII||Defeated Alex Koslov, Crazy Boy, and Alan Stone in a hardcore elimination match|
||Alex Koslov||2||August 21, 2009
||9||Ciudad Madero, Tamaulipas||Verano de Escándalo 2009||Defeated Extreme Tiger, Rocky Romero, Jack Evans, and Teddy Hart in a five-way elimination match|
||Vacated||—||August 30, 2009
||Vacated after Alex Koslov lost a six-man steel cage match in which the last man left in the cage was forced out of AAA|
||Extreme Tiger||2||September 26, 2009
||253||Monterrey, Mexico||Heroes Inmortales III||Defeated Sugi San, Jack Evans, Rocky Romero, and Teddy Hart to win the vacant title|
||Jack Evans||1||June 6, 2010
||2846+||Mexico City, Mexico||TripleMania XVIII||Defeated Extreme Tiger, Christopher Daniels and Nosawa Rongai to win the title.|