"Foolish" is the debut solo single by American singer Ashanti. It was released as the lead single from her self-titled debut album (2002) by Def Jam Recordings, AJM, and Irv Gotti's Murder Inc. Records on February 11, 2002. It was written by Ashanti, Etterlene Jordan, Mark DeBarge and Irv Gotti, while production was overseen by Gotti. The song heavily samples DeBarge's "Stay with Me". Due to the inclusion of the sample, Mark DeBarge and Etterlene Jordan are also credited as songwriters. A promotional version of the single called "Unfoolish" features a verse from The Notorious B.I.G. from his song "F--king You Tonight".
The song spent ten consecutive weeks at number one on the US Billboard Hot 100 and on the Hot R&B Soul Single – Female.