SISD can refer to:
- Single instruction, single data, a computer processor architecture
- CCL5, an 8kDa protein also using the symbol SISD
- Sixteen-segment display
- Several school districts in Texas. See List of school districts in Texas - S
- Saginaw Intermediate School District (Michigan)
- Southeast Island School District (Alaska)
- Swiss International Scientific School in Dubai
This disambiguation page lists articles associated with the title SISD.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: