SXL is the code for Sligo Airport.
SXL may also refer to:
- Selonian language's ISO 639-3 code
- Sex lethal or Sxl gene, a gene important in alternative splicing
- SXL, a musical group co-founded by Ronald Shannon Jackson
- SXL, the NYSE ticker symbol for Sunoco Logistics Partners L.P.
SXL was an jazz fusion ensemble, formed in 1987 by composer Bill Laswell. The nucleus also comprised musicians Aïyb Dieng, Ronald Shannon Jackson, and L. Shankar with SamulNori, the internationally renowned South Korean percussion quartet. Their loosely structured music was built on a combination of Indian drones, funk music and densely layered percussion.