What Do You Say may refer to:

• "What Do You Say" (Reba McEntire song)
• "What Do You Say" (Filter song)

• Commodore VIC-20 Games
• Commodore VIC-20 Super Expander
• Commodore (yacht club)
• Commodus
• Commodus, Lucius Aelius Aurelius
• Commom scoter
• Common
• Common Access Card
• Common Address Redundancy Protocol
• Common Admission Test
• Common agouti
• Common Agouti
• Common Agricultural Policy
• Common alder
• Common Alerting Protocol
• Common Algebraic Specification Language
• Common ancestor
• Common ancestry
• Common ancestry of Theodore Roosevelt and Franklin Delano Roosevelt
• Common and Equal suffrage
• Common and equal suffrage
• Common ash
• Common Ash
• Common asparagus beetle
• Common Asparagus Beetle