The Ballad of Gay Tony is the second downloadable episode in the Grand Theft Auto IV saga. Developed by Rockstar North and set in Liberty City, The Ballad of Gay Tony features a new main character, Luis Lopez, and a plot that intersects with the storylines of Grand Theft Auto IV and The Lost and Damned. The episode provides new weapons, new vehicles, new radio tracks, new interiors, and new missions that offer a fresh way to explore Liberty City.

The episode's focus on high-end nightlife contrasts with the biker gangs portrayed in the first episode, The Lost and Damned. The main character, Luis Lopez, is a part-time hoodlum and full-time assistant to Liberty City nightclub owner Tony Prince (aka "Gay Tony"). Tony has a drug addiction problem, and his clubs are at risk of going under due to mounting debts. Luis has been tasked with keeping them afloat.

In January 2010, Rockstar Games confirmed that Episodes from Liberty City /The Ballad of Gay Tony would arrive on the PC and PlayStation 3 platforms in April. Initially, the episode was exclusive to Xbox 360.