"I Won't Tell" is a song by American rapper Fat Joe. It was released as the first single of his eight album The Elephant in the Room (2008), and features R&B singer J. Holiday. It was released on November 8, 2007 on Fat Joe's MySpace page. It was released through iTunes on December 4, 2007. The song received a mixed reception from critics. "I Won't Tell" peaked at number 37 on the Billboard Hot 100, giving Joe his fifth top 40 hit on that chart. It also peaked at numbers 3 and 12 on the Hot Rap Songs and Hot R&B/Hip-Hop Songs charts respectively. The accompanying music video for the single was directed by Gil Green.
"I Won't Tell" received mixed reviews from music critics. Reviewing the album, David Jeffries of AllMusic praised the song for being one of the album's better radio singles that bring "sweet relief." Jesal Padania of RapReviews found the lyrics middling but praised J. Holiday's appearance and The Hitmen's production for being soothing.HipHopDX staff writer Mcooper criticized the song along with "You Ain't Sayin Nothin'" for targeting mainstream radio, saying that, "These songs find Joe short on creativity, but eager for radio spins."