"SG" (an acronym for "Sexy Girl") is a song by French record producer DJ Snake, Puerto Rican singer Ozuna, American rapper Megan Thee Stallion, and Thai rapper and singer Lisa. It was released on 22 October 2021 through DJ Snake Music Productions and Interscope Records. It was written by the artists and Donny Flores, J. Lauryn, Jean Pierre Soto, Lewis Hughes, Nicholas Audino, Omar Walker, and Teddy, and produced by DJ Snake and Yampi.

The song's music video, directed by Colin Tilley, was released on the same day and featured the four artists dancing in a tropical setting. Commercially, the song debuted at number 19 on the Billboard Global 200 and was certified gold in France. In the United States, the song peaked at number 4 on Hot Dance/Electronic Songs, number 11 on Hot Latin Songs, and topped the Latin Airplay chart.