Adult album alternative (also triple-A, AAA, or adult alternative) is a radio format. A spinoff from the album-oriented rock format, its roots trace to the 1960s and 1970s from the earlier freeform and progressive formats. The format has a broader, more diverse playlist than most other formats and tends to appeal more to adults than to teenagers. Musical selection tends to be on the fringe of mainstream pop and rock as well as many other music genres such as indie rock, alternative rock, alternative country, jazz, folk, world music and blues. The musical selections tend to shy away from hard rock and rap music. Some Triple-A stations bill themselves under slogans such as "World Class Rock" or "Quality Rock." Music selection also includes tracks from albums that are not singles, which leads to the enhanced and larger playlist.

The music played has gained significant exposure for artists who were ambitious, intellectual, and/or idiosyncratic, yet still accessible enough to meet the requirements of mainstream radio programmers who wanted more sophisticated music that wasn't loud or overly disturbing.

Triple-A songs sometimes do manage to chart on the Adult Top 40, modern rock, or an adult contemporary chart, since they may first break out on AAA. Additionally, Radio and Records, a news magazine devoted to radio and the music industry, charts stations in various formats including Triple-A. Its sister publication Billboard also began a Triple-A chart using Radio and Records' information on July 10, 2008. Rival Mediabase 24/7 also does a Triple-A chart. As of mid-2009, Radio and Records publications were discontinued along with the accompanying charts. As of 2010, Billboard publishes Triple A Charts in the Billboard Magazine and for its premium members on its website. Mediabase also publishes Triple A Charts.