Slime Season is the seventh self-released mixtape by American rapper Young Thug, released on September 16, 2015.

It features production from a range of artists, including London on da Track, Metro Boomin, Ricky Racks, Wheezy, and WondaGurl, and guest appearances from Migos, Gucci Mane, Peewee Longway, and Lil Wayne.

[2] Slime Season was compiled from archival material in an attempt to circumvent a series of 2015 data leaks which saw hundreds of unreleased Young Thug tracks uploaded to the internet.

The title pays homage to Ola Playa, a rapper from Young Thug's YSL label record who released his own Slime Season mixtape in March 2014.

"[10] Pitchfork called the mixtape "an odds-and-ends compilation with no coherent vision," but wrote that "Thug remains one of hip-hop's most exciting stylists" and pointed out the tracks "Freaky," "Draw Down," and "Wood Would" as highlights.