The 2011–12 Australian Baseball League season is the second Australian Baseball League (ABL) season, and is being held from 4 November 2011 to 12 February 2012. The season was scheduled to start on 3 November with a single game between the Perth Heat and the Adelaide Bite at Baseball Park in Perth, but the game was postponed due to wet weather.

The Canberra Cavalry is a professional baseball team from Canberra, ACT, Australia. Established in 2010, the team is a founding member of the Australian Baseball League (ABL). The Cavs home ground is Narrabundah Ballpark, known as MIT Ballpark for sponsorship reasons. The Cavalry are one-time Claxton Shield Champions and one-time Asian Champions.