"I Know" is a 1995 song recorded by American R&B singer Dionne Farris. It was the first single from her debut album Wild Seed, Wild Flower and was released in March 1995. It was a hit in her native U.S. (#4 on the Billboard Hot 100), and also achieved moderate success in New Zealand and Europe. Radio & Records magazine ranked "I Know" as the number-one most played song on mainstream Top 40/CHR radio stations for 1995 and spent 10 consecutive weeks at #1 on the Mainstream Top 40 chart (April 1–June 3, 1995). Overall, it spent 29 weeks in the Top 40. It was nominated for the Grammy Award for Best Female Pop Vocal Performance in 1996.
In October 1995, the song was featured prominently in the opening scene of "The Highest Bidder", a second season episode of the Foxpolice drama television series New York Undercover.