SMSD can refer to:

• Shawnee Mission School District
• South Middleton School District
• Stafford Municipal School District

• Washington–Dulles
• Washington–National
• Washington–Rawson
• Washington–Washington State football rivalry
• Washington–Washington State men's basketball rivalry
• Washington–Willow Historic District
• Washington’s Birthday
• Washing Up
• Washing Wells Roman Fort
• W. A. Shinn
• Washinton University Physicians
• Washio Sumi wa Yūsha de Aru
• Washiqur Rahman Babu
• Washita County Courthouse
• Washita Formation
• Washita Group
• Washi Tahsil
• Wash It All Away
• Washi taluk
• Washi Taluk
• Washi taluka
• Washita Massacre
• Washita River Massacre
• Washita Valley Council
• Washi tehsil