"Slow Down Baby" is a song by American recording artist Christina Aguilera from her fifth studio album, Back to Basics (2006). It was released as the album's fourth single on July 28, 2007 by RCA Records. It was written by Aguilera, Mark Ronson, Kara DioGuardi and Raymond Angry, and produced by Ronson and co-produced by Aguilera. The song is built around samples of "Window Raisin' Granny" (1973) by American group Gladys Knight and the Pips and "So Seductive" (2005) by American rapper Tony Yayo. Due to the inclusion of the samples, the original songs' writers obtained writing credits.

Musically, "Slow Down Baby" is a pop and R&B song that incorporates elements of funk, hip hop and soul. It features claviola, horn, organ and piano instrumentation. The single was only released in Australia during the Oceanian leg of Aguilera's Back to Basics Tour (2007). "Slow Down Baby" peaked at number 21 on the Australian Singles Chart, although it did not receive any promotion in that country.

Aguilera's fifth studio album, Back to Basics, is made up of two discs. Aguilera worked with "more beat-driven" producers on the first disc, such as DJ Premier and Mark Ronson, who included samples in the production. The second disc consists solely of collaborations with producer Linda Perry. Aguilera sent letters to different producers that she hoped could help her with the direction she was taking for the project, encouraging them to experiment, re-invent and create a modern soul feel. She described the first disc as "kind of a throwback with elements of jazz, blues and soul music combined with a modern-day twist, like hard-hitting beats".

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