"Nobody's Supposed to Be Here" is a song by Canadian recording artist Deborah Cox, released as the lead single from her second studio album, One Wish (1998). Written by Montell Jordan and its producer, Anthony "Shep" Crawford, the song was released on the same day as the album, on September 15, 1998, by Arista Records. It is Cox's most successful song, peaking at number two on the Billboard Hot 100 for eight weeks and spending a then-record 14 weeks at number one on the Hot R&B Singles & Tracks chart. In 2017, Billboard ranked the song at number five on its "Greatest of All Time Hot R&B/Hip-Hop Songs" chart.

Montell Du'Sean Barnett Jordan is an American singer, pastor, songwriter, and record producer. Best known for his 1995 single "This Is How We Do It", Jordan was the primary male solo artist on Def Jam's Def Soul imprint until leaving the label in 2003.