Dinsdale is a surname. Notable people with the surname include:

• George Dinsdale, British-born Canadian politician
• Reece Dinsdale, British actor
• Shirley Dinsdale, American ventriloquist
• Tim Dinsdale, filmed footage supposedly of the Loch Ness Monster
• Walter Dinsdale, Canadian politician

• Plastic Buffet (Robot Chicken episode)
• Plastic bullets
• Plastic canvas
• Plastic cement
• Plastic Collision
• Plastic constant
• Plastic constellations
• Plastic cup
• Plastic cups
• Plastic cutlery
• Plastic Cutlery
• Plastic (disambiguation)
• Plastic Eaters
• Plastic Empire
• Plastic Extrusion
• Plastic Facts
• Plastic filling
• Plastic Green Head
• Plastic headlight restoration
• Plastic hinge
• Plastician
• Plasticien
• Plasticine Crow
• Plasticine crow
• Plastic Inevitable