"Stranger in My House" is a song recorded by Canadian recording artist Tamia. It was written by singer Shae Jones and frequent collaborator Shep Crawford and produced by the latter for her second studio album, A Nu Day (2000). The ballad was released as the album's second single and reached number 10 on the US Billboard Hot 100, becoming Tamia's first top ten hit on the chart. It also peaked at number three on Billboard's Hot R&B/Hip-Hop Songs, while reaching the top spot on the Dance Club Songs chart. As of 2018, "Stranger in My House" remains Tamia's only solo top ten hit on the Billboard Hot 100.
"Stranger in My House" debuted on the Billboard Hot 100 at number 79 for the chart dated January 13, 2001. Over the course of its first thirteen weeks on the chart, during which it was charting based solely on airplay and sales of its vinyl 12-inch single, the song had reached an initial peak of number 38. Following its retail release in the more popular CD single format, it jumped from number 53 to its peak of number 10 for the chart dated April 14, 2001, having sold 48,500 copies that week. It also jumped from number 19 to its peak of number 3 on the Hot R&B/Hip-Hop Singles & Tracks chart the same week, having previously reached as high as number 9. "Stranger in My House" was also a success in dance clubs, topping the Billboard Hot Dance Club Play chart for the issue dated March 3, 2001.