Decorative sheet and decorative member

A decorative sheet, comprising:

• a substrate sheet;
• an adhesive layer;
• a surface protective layer;
• and
• a thermoplastic resin layer, wherein
• at least one of the surface protective layer and the thermoplastic resin layer contains a nucleating agent or inorganic particles,
• the surface protective layer has added thereto a silver-based antiviral agent at an amount of 0.2 parts by mass or more and 10 parts by mass or less;
• the surface protective layer has a thickness of 3 μm or more and 15 μm or less,
• the silver-based antiviral agent has an average particle size which is 1.5 μm or more and 10 μm or less;
• and
• particle sizes of the silver-based antiviral agent have a first peak in a range of 1 μm or more and 5 μm or less, and a second peak in a range of 5 μm or more and 10 μm or less.